{"id":2524,"date":"2026-04-16T03:59:17","date_gmt":"2026-04-16T03:59:17","guid":{"rendered":"https:\/\/shengxinfoundry.com\/?p=2524"},"modified":"2026-04-16T03:59:20","modified_gmt":"2026-04-16T03:59:20","slug":"cast-manhole-cover-vs-composite-complete-comparison-guide-for-infrastructure-projects","status":"publish","type":"post","link":"https:\/\/shengxinfoundry.com\/ar\/cast-manhole-cover-vs-composite-complete-comparison-guide-for-infrastructure-projects\/","title":{"rendered":"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629"},"content":{"rendered":"<p>\u0645\u0631\u062d\u0628\u0627 \u0628\u0643\u0645 \u0641\u064a \u0645\u062f\u0648\u0646\u062a\u0646\u0627. \u0646\u062d\u0646 \u0634\u0631\u0643\u0629 \u0645\u0635\u0646\u0639\u0629 \u0645\u062d\u062a\u0631\u0641\u0629 \u0644\u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0648\u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0645\u0631\u0643\u0628\u060c \u0648\u0646\u0642\u0648\u0645 \u0628\u062a\u0648\u0631\u064a\u062f \u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0644\u062f\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u0645.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 <a href=\"https:\/\/www.facebook.com\/profile.php?id=61579484674640\" target=\"_blank\" rel=\"noopener\">\u062a\u0627\u0628\u0639\u0648\u0646\u0627 \u0639\u0644\u0649 \u0627\u0644\u0641\u064a\u0633\u0628\u0648\u0643<\/a> \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0622\u062e\u0631 \u062a\u062d\u062f\u064a\u062b\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0623\u062e\u0628\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0648\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li>\n\n\n\n<li>\ud83d\udc49 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u062f\u064a\u0643 \u0623\u064a \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0644\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0648 \u0643\u0646\u062a \u0628\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631\u060c \u0641\u0644\u0627 \u062a\u062a\u0631\u062f\u062f \u0641\u064a \u0630\u0644\u0643 <a href=\"https:\/\/shengxinfoundry.com\/ar\/contact-us\/\">\u0627\u062a\u0635\u0644 \u0628\u0641\u0631\u064a\u0642\u0646\u0627<\/a> \u0645\u0628\u0627\u0634\u0631\u0629 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0633\u0631\u064a\u0639 \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u062e\u0635\u0635\u0629.<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0631\u062c\u0649 \u0645\u0648\u0627\u0635\u0644\u0629 \u0642\u0631\u0627\u0621\u0629 \u0645\u062f\u0648\u0646\u062a\u0646\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/h2><nav><ul><li><a href=\"#what-is-a-cast-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u061f<\/a><\/li><li><a href=\"#what-is-a-composite-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u061f<\/a><\/li><li><a href=\"#engineering-structure-of-cast-manhole-cover-systems\">\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629<\/a><ul><li><a href=\"#metallurgical-composition\">\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0639\u062f\u0646\u064a<\/a><\/li><li><a href=\"#load-transfer-mechanism\">\u0622\u0644\u064a\u0629 \u0646\u0642\u0644 \u0627\u0644\u062d\u0645\u0648\u0644\u0629<\/a><\/li><li><a href=\"#surface-protection-systems\">\u0623\u0646\u0638\u0645\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0633\u0637\u062d<\/a><\/li><\/ul><\/li><li><a href=\"#engineering-structure-of-composite-manhole-cover-systems\">\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/a><ul><li><a href=\"#fiber-reinforcement-technology\">\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627 \u062a\u0642\u0648\u064a\u0629 \u0627\u0644\u0623\u0644\u064a\u0627\u0641<\/a><\/li><li><a href=\"#non-metallic-behavior-advantages\">\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0633\u0644\u0648\u0643 \u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u062f\u0646\u064a<\/a><\/li><li><a href=\"#weight-optimization-principle\">\u0645\u0628\u062f\u0623 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0648\u0632\u0646<\/a><\/li><\/ul><\/li><li><a href=\"#cast-manhole-cover-vs-composite-engineering-comparison\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u0645\u0642\u0627\u0631\u0646\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/a><ul><li><a href=\"#load-distribution-behavior\">\u0633\u0644\u0648\u0643 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0645\u0644<\/a><\/li><li><a href=\"#structural-response-under-traffic\">\u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0641\u064a \u0638\u0644 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631<\/a><\/li><li><a href=\"#environmental-adaptability\">\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0643\u064a\u0641 \u0627\u0644\u0628\u064a\u0626\u064a<\/a><\/li><\/ul><\/li><li><a href=\"#en-124-standard-classification-critical-for-buyers\">EN124 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a (\u062d\u0631\u062c \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646)<\/a><\/li><li><a href=\"#cast-manhole-cover-vs-composite-comparison-table-engineering-view\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0645\u0631\u0643\u0628 (\u0639\u0631\u0636 \u0647\u0646\u062f\u0633\u064a)<\/a><\/li><li><a href=\"#lifecycle-cost-analysis\">\u062a\u062d\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629<\/a><ul><li><a href=\"#cast-manhole-cover-lifecycle-cost\">\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u062d\u064a\u0627\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628<\/a><\/li><li><a href=\"#composite-lifecycle-cost\">\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#real-engineering-case-studies\">\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/a><ul><li><a href=\"#case-study-1-european-highway-upgrade-project\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 1: \u0645\u0634\u0631\u0648\u0639 \u062a\u0631\u0642\u064a\u0629 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629<\/a><\/li><li><a href=\"#case-study-2-coastal-city-infrastructure-southeast-asia\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 2: \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u0645\u062f\u0646 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 (\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627)<\/a><\/li><li><a href=\"#case-study-3-industrial-chemical-plant\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 3: \u0645\u0635\u0646\u0639 \u0627\u0644\u0643\u064a\u0645\u0627\u0648\u064a\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#failure-modes-and-risk-analysis\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0648\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u062e\u0627\u0637\u0631<\/a><ul><li><a href=\"#cast-manhole-cover-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0641\u0634\u0644 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628<\/a><\/li><li><a href=\"#composite-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#installation-considerations\">\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/a><ul><li><a href=\"#cast-manhole-cover-installation\">\u062a\u0631\u0643\u064a\u0628 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628<\/a><\/li><li><a href=\"#composite-installation\">\u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0631\u0643\u0628<\/a><\/li><\/ul><\/li><li><a href=\"#industry-trends-and-market-insights\">\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0648\u0631\u0624\u0649 \u0627\u0644\u0633\u0648\u0642<\/a><\/li><li><a href=\"#selection-guide-which-one-should-you-choose\">\u062f\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631: \u0623\u064a\u0647\u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u062a\u062e\u062a\u0627\u0631\u061f<\/a><ul><li><a href=\"#choose-cast-manhole-cover-if\">\u0627\u062e\u062a\u0631 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0625\u0630\u0627:<\/a><\/li><li><a href=\"#choose-composite-manhole-cover-if\">\u0627\u062e\u062a\u0631 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628 \u0625\u0630\u0627:<\/a><\/li><\/ul><\/li><li><a href=\"#faq-cast-manhole-cover-vs-composite\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/a><ul><li><a href=\"#what-is-the-main-difference-between-cast-and-composite-manhole-covers\">\u0645\u0627 \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0628\u064a\u0646 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0648\u0627\u0644\u0645\u0631\u0643\u0628\u0629\u061f<\/a><\/li><li><a href=\"#which-is-stronger-cast-or-composite-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0623\u0642\u0648\u0649 \u0623\u0648 \u0627\u0644\u0645\u0635\u0628\u0648\u0628 \u0623\u0648 \u0627\u0644\u0645\u0631\u0643\u0628\u061f<\/a><\/li><li><a href=\"#are-composite-manhole-covers-safe-for-roads\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0622\u0645\u0646\u0629 \u0644\u0644\u0637\u0631\u0642\u061f<\/a><\/li><li><a href=\"#do-cast-manhole-covers-rust\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0635\u062f\u0623\u061f<\/a><\/li><li><a href=\"#which-is-more-cost-effective-long-term\">\u0645\u0627 \u0647\u0648 \u0627\u0644\u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644\u061f<\/a><\/li><li><a href=\"#can-composite-covers-replace-cast-covers-completely\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0623\u0646 \u062a\u062d\u0644 \u0645\u062d\u0644 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion\">\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u0641\u064a \u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629\u060c \u0644\u0645 \u062a\u0639\u062f \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 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\u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u064a\u0633 \u0641\u0642\u0637 \u0642\u0631\u0627\u0631\u064b\u0627 \u0628\u0634\u0623\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629\u060c \u0628\u0644 \u0645\u062a\u0637\u0644\u0628\u064b\u0627 \u0644\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<p>\u0648\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c \u062a\u0633\u062a\u0645\u0631 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0641\u064a\u0636\u0627\u0646\u0627\u062a \u0648\u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0648\u062a\u063a\u064a\u0631 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 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\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0627\u0621<\/li>\n\n\n\n<li>\u0641\u0647\u0645 \u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0648\u0633\u0644\u0648\u0643 \u0627\u0644\u0645\u062a\u0627\u0646\u0629<\/li>\n\n\n\n<li>\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0623\u0633\u0626\u0644\u0629 \u0648\u0623\u062c\u0648\u0628\u0629 \u0645\u0646\u0638\u0645\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0646\u064a\u0629 \u0627\u0644\u0628\u062d\u062b \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629 \u0639\u0646 \u0627\u0644\u0645\u0634\u062a\u0631\u064a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-a-cast-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u061f<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb.jpg\" alt=\"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631\" class=\"wp-image-2525\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb.jpg 800w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-300x300.jpg 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-150x150.jpg 150w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-768x768.jpg 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-12x12.jpg 12w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-600x600.jpg 600w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacadvsavdsvb-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>A <a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/spheroidal-graphite-cast-iron-manhole-cover\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631<\/a> \u0647\u0648 \u063a\u0637\u0627\u0621 \u0648\u0635\u0648\u0644 \u0647\u064a\u0643\u0644\u064a \u0645\u0635\u0646\u0648\u0639 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0623\u0648 \u0645\u0648\u0627\u062f \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0631\u0646\u060c \u0648\u0647\u0648 \u0645\u0635\u0645\u0645 \u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0627\u0644\u0642\u0627\u0633\u064a\u0629.<\/p>\n\n\n\n<p>\u062a\u0633\u062a\u062e\u062f\u0645 \u0645\u0639\u0638\u0645 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0623\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a \u0628\u0633\u0628\u0628 \u062a\u062d\u0633\u0646 \u0642\u0648\u0629 \u0627\u0644\u0634\u062f \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631. \u064a\u0648\u0641\u0631 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0639\u0627\u062f\u0629\u064b \u0642\u064a\u0645 \u0642\u0648\u0629 \u0634\u062f \u0623\u0639\u0644\u0649 \u0645\u0646 420 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647 \u0645\u0646\u0627\u0633\u0628\u064b\u0627 \u0644\u0628\u064a\u0626\u0627\u062a \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0630\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/p>\n\n\n\n<p>\u062a\u0633\u062a\u062e\u062f\u0645 \u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0648\u0627\u0646\u0626 \u0648\u0627\u0644\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a\u0629<\/li>\n\n\n\n<li>\u0637\u0631\u0642 \u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0637\u0627\u0631<\/li>\n\n\n\n<li>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0635\u062d\u064a \u0627\u0644\u062b\u0642\u064a\u0644\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u062a\u0645 \u062a\u0635\u0646\u064a\u0639\u0647\u0627 \u0639\u0627\u062f\u0629\u064b \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0645\u0644\u064a\u0627\u062a \u0635\u0628 \u0627\u0644\u0631\u0645\u0644 \u062a\u0644\u064a\u0647\u0627 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0622\u0644\u064a \u0648\u0637\u0644\u0627\u0621 \u0627\u0644\u0633\u0637\u062d (\u0627\u0644\u0642\u0627\u0631 \u0623\u0648 \u0627\u0644\u0625\u064a\u0628\u0648\u0643\u0633\u064a) \u0644\u062a\u062d\u0633\u064a\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-a-composite-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u061f<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg.webp\" alt=\"\" class=\"wp-image-2526\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg.webp 800w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-300x300.webp 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-150x150.webp 150w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-768x768.webp 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-12x12.webp 12w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-600x600.webp 600w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/ascacsavaadvs.jpg-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>A <a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/composite-resin-manhole-cover\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0631\u0643\u0628<\/a> \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u063a\u0637\u0627\u0621 \u0648\u0635\u0648\u0644 \u063a\u064a\u0631 \u0645\u0639\u062f\u0646\u064a \u0645\u0635\u0646\u0648\u0639 \u0645\u0646 \u0631\u0627\u062a\u0646\u062c\u0627\u062a \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0648\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 \u0648\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0644\u062f\u0627\u0626\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/p>\n\n\n\n<p>\u0639\u0644\u0649 \u0639\u0643\u0633 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629\u060c \u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0639\u0644\u0649 \u0637\u0628\u0642\u0627\u062a \u0647\u064a\u0643\u0644\u064a\u0629 \u0645\u0639\u0632\u0632\u0629 \u0628\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0644\u062a\u062d\u0642\u064a\u0642 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0645\u0644. \u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0636\u063a\u0637 \u0639\u0628\u0631 \u0645\u0633\u0627\u062d\u0629 \u0633\u0637\u062d\u064a\u0629 \u0623\u0648\u0633\u0639 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u0631\u0643\u064a\u0632\u0647 \u0639\u0646\u062f \u0646\u0642\u0637\u0629 \u0647\u064a\u0643\u0644\u064a\u0629 \u0648\u0627\u062d\u062f\u0629.<\/p>\n\n\n\n<p>\u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0628\u0634\u0643\u0644 \u0634\u0627\u0626\u0639 \u0641\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u062c\u062a\u0645\u0639\u0627\u062a \u0627\u0644\u0633\u0643\u0646\u064a\u0629<\/li>\n\n\n\n<li>\u0645\u0645\u0631\u0627\u062a \u0627\u0644\u0645\u0634\u0627\u0629<\/li>\n\n\n\n<li>\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062e\u0636\u0631\u0627\u0621<\/li>\n\n\n\n<li>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0645\u062c\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u0644\u0645\u064a\u0632\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u062a\u0643\u0645\u0646 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0639\u0645\u0627\u0644\u0629 \u0648\u0627\u0644\u062a\u0639\u0627\u0645\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"engineering-structure-of-cast-manhole-cover-systems\">\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"metallurgical-composition\">\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0639\u062f\u0646\u064a<\/h3>\n\n\n\n<p>\u064a\u062d\u062a\u0648\u064a \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0625\u0646\u062a\u0627\u062c \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628 \u0639\u0644\u0649 \u0647\u064a\u0627\u0643\u0644 \u062c\u0631\u0627\u0641\u064a\u062a \u0643\u0631\u0648\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062d\u0633\u0646 \u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0648\u064a\u0642\u0644\u0644 \u0627\u0644\u0647\u0634\u0627\u0634\u0629 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a.<\/p>\n\n\n\n<p>\u062a\u0643\u0648\u064a\u0646 \u0646\u0645\u0648\u0630\u062c\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0643\u0631\u0628\u0648\u0646: 3.2% \u0639\u0644\u06493.8%<\/li>\n\n\n\n<li>\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646: 2.2% \u0639\u0644\u0649 2.8%<\/li>\n\n\n\n<li>\u0639\u0644\u0627\u062c \u0627\u0644\u0645\u063a\u0646\u064a\u0633\u064a\u0648\u0645 \u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u062c\u0631\u0627\u0641\u064a\u062a \u0627\u0644\u0639\u0642\u062f\u064a<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0639\u0632\u0632 \u0647\u0630\u0627 \u0627\u0644\u0647\u064a\u0643\u0644 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a \u0641\u064a \u0638\u0644 \u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"load-transfer-mechanism\">\u0622\u0644\u064a\u0629 \u0646\u0642\u0644 \u0627\u0644\u062d\u0645\u0648\u0644\u0629<\/h3>\n\n\n\n<p>\u062a\u0642\u0648\u0645 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0628\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0645\u0644 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0627\u0644\u0635\u0644\u0628\u0629\u060c \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0644\u0647\u0627 \u0628\u062a\u062d\u0645\u0644 \u0636\u063a\u0637 \u0627\u0644\u0639\u062c\u0644\u0629 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u062f\u0648\u0646 \u062a\u0634\u0648\u0647 \u0643\u0628\u064a\u0631.<\/p>\n\n\n\n<p>\u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0641\u0626\u0629 EN124 F900\u060c \u0627\u0644\u0645\u0635\u0645\u0645\u0629 \u0644\u0644\u0645\u0637\u0627\u0631\u0627\u062a \u0648\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"surface-protection-systems\">\u0623\u0646\u0638\u0645\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0633\u0637\u062d<\/h3>\n\n\n\n<p>\u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0645\u062b\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0637\u0644\u0627\u0621 \u0627\u0644\u0628\u064a\u062a\u0648\u0645\u064a\u0646<\/li>\n\n\n\n<li>\u0637\u0644\u0627\u0621 \u0631\u0627\u062a\u0646\u062c\u0627\u062a \u0627\u0644\u0627\u064a\u0628\u0648\u0643\u0633\u064a<\/li>\n\n\n\n<li>\u0637\u0628\u0642\u0627\u062a \u0645\u0636\u0627\u062f\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 \u0623\u0633\u0627\u0633\u0647\u0627 \u0627\u0644\u0632\u0646\u0643<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u062a\u0645 \u062a\u0637\u0628\u064a\u0642\u0647\u0627 \u0644\u0645\u0646\u0639 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0631\u0637\u0628\u0629 \u0623\u0648 \u0627\u0644\u0645\u0627\u0644\u062d\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"engineering-structure-of-composite-manhole-cover-systems\">\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fiber-reinforcement-technology\">\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627 \u062a\u0642\u0648\u064a\u0629 \u0627\u0644\u0623\u0644\u064a\u0627\u0641<\/h3>\n\n\n\n<p>\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0639\u0644\u0649 \u062a\u0642\u0648\u064a\u0629 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 (GFRP) \u0623\u0648 \u0645\u0648\u0627\u062f \u0645\u0645\u0627\u062b\u0644\u0629 \u0645\u062f\u0645\u062c\u0629 \u0641\u064a \u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0631\u0627\u062a\u0646\u062c.<\/p>\n\n\n\n<p>\u064a\u0624\u062f\u064a \u0647\u0630\u0627 \u0625\u0644\u0649 \u0625\u0646\u0634\u0627\u0621 \u0646\u0638\u0627\u0645 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0630\u064a \u064a\u0645\u062a\u0635 \u0637\u0627\u0642\u0629 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0645\u0642\u0627\u0648\u0645\u062a\u0647\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0641\u0642\u0637.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"non-metallic-behavior-advantages\">\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0633\u0644\u0648\u0643 \u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u062f\u0646\u064a<\/h3>\n\n\n\n<p>\u0644\u0623\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u063a\u064a\u0631 \u0645\u0639\u062f\u0646\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0644\u0627 \u064a\u062d\u062f\u062b \u0623\u064a \u062a\u0634\u0643\u064a\u0644 \u0627\u0644\u0635\u062f\u0623<\/li>\n\n\n\n<li>\u0644\u0627 \u064a\u0648\u062c\u062f \u062e\u0637\u0631 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631<\/li>\n<\/ul>\n\n\n\n<p>\u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0646\u0628\u0627\u062a\u0627\u062a \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"weight-optimization-principle\">\u0645\u0628\u062f\u0623 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0648\u0632\u0646<\/h3>\n\n\n\n<p><a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/composite-resin-manhole-cover\/\">\u0623\u063a\u0637\u064a\u0629 \u0645\u0631\u0643\u0628\u0629<\/a> \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0632\u0646 40% \u064870% \u0623\u0642\u0644 \u0645\u0646 \u0645\u0643\u0627\u0641\u0626\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631\u060c \u0645\u0645\u0627 \u064a\u062d\u0633\u0646 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u064a\u0642\u0644\u0644 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0646\u0642\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cast-manhole-cover-vs-composite-engineering-comparison\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u0645\u0642\u0627\u0631\u0646\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"load-distribution-behavior\">\u0633\u0644\u0648\u0643 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0645\u0644<\/h3>\n\n\n\n<p>\u062a\u0639\u062a\u0645\u062f \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0628 \u0639\u0644\u0649 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0627\u0644\u0635\u0644\u0628\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0639\u0644\u0649 \u0627\u0645\u062a\u0635\u0627\u0635 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0645\u0648\u0632\u0639\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"structural-response-under-traffic\">\u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0641\u064a \u0638\u0644 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631: \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u062a\u0634\u0648\u0647\u060c \u0648\u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0645\u0631\u0643\u0628: \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0645\u0631\u0646\u0629 \u0637\u0641\u064a\u0641\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644<\/li>\n<\/ul>\n\n\n\n<p>\u0643\u0644\u0627 \u0627\u0644\u0633\u0644\u0648\u0643\u064a\u0646 \u0645\u0635\u0645\u0645\u0627\u0646 \u0648\u0645\u0642\u0628\u0648\u0644\u0627\u0646 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0645\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"environmental-adaptability\">\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0643\u064a\u0641 \u0627\u0644\u0628\u064a\u0626\u064a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u064a\u0639\u0645\u0644 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0641\u064a \u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/li>\n\n\n\n<li>\u064a\u0639\u0645\u0644 \u0627\u0644\u0645\u0631\u0643\u0628 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0645\u0639\u0631\u0636\u0629 \u0644\u0644\u062a\u0622\u0643\u0644<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"en-124-standard-classification-critical-for-buyers\">EN124 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a (\u062d\u0631\u062c \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646)<\/h2>\n\n\n\n<p>\u064a\u062d\u062f\u062f \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a EN124 \u0641\u0626\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0644\u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0641\u0635\u0644<\/th><th>\u0633\u0639\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/th><th>\u0637\u0644\u0628<\/th><\/tr><\/thead><tbody><tr><td>\u062315<\/td><td>1.5 \u0637\u0646<\/td><td>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0634\u0627\u0629<\/td><\/tr><tr><td>\u0628125<\/td><td>12.5 \u0637\u0646<\/td><td>\u0645\u0646\u0627\u0637\u0642 \u0648\u0642\u0648\u0641 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/td><\/tr><tr><td>\u062c250<\/td><td>25 \u0637\u0646<\/td><td>\u0627\u0644\u0645\u0632\u0627\u0631\u064a\u0628 \u0639\u0644\u0649 \u062c\u0627\u0646\u0628 \u0627\u0644\u0637\u0631\u064a\u0642<\/td><\/tr><tr><td>D400<\/td><td>40 \u0637\u0646<\/td><td>\u0627\u0644\u0637\u0631\u0642 \u0648\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629<\/td><\/tr><tr><td>E600<\/td><td>60 \u0637\u0646<\/td><td>\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/td><\/tr><tr><td>F900<\/td><td>90 \u0637\u0646<\/td><td>\u0627\u0644\u0645\u0637\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0645\u0648\u0627\u0646\u0626<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0628\u0634\u0643\u0644 \u0634\u0627\u0626\u0639 \u0641\u064a \u0646\u0637\u0627\u0642\u0627\u062a D400 mainF900\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u0646\u0637\u0627\u0642\u0627\u062a A15 mainC250 \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0639\u0632\u064a\u0632.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cast-manhole-cover-vs-composite-comparison-table-engineering-view\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0645\u0631\u0643\u0628 (\u0639\u0631\u0636 \u0647\u0646\u062f\u0633\u064a)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0645\u064a\u0632\u0629<\/th><th>\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631<\/th><th>\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0631\u0643\u0628<\/th><\/tr><\/thead><tbody><tr><td>\u0646\u0648\u0639 \u0627\u0644\u0645\u0627\u062f\u0629<\/td><td>\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644\/\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/td><td>\u0627\u0644\u0631\u0627\u062a\u0646\u062c + \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629<\/td><\/tr><tr><td>\u0646\u0637\u0627\u0642 \u0641\u0626\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/td><td>A15 \u062c\u0631\u0641F900<\/td><td>A15 corthec250 (\u0628\u0639\u0636\u0647\u0627 \u0645\u0639\u0632\u0632 \u062d\u062a\u0649 D400)<\/td><\/tr><tr><td>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f<\/td><td>\u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u064b\u0627 (\u2265420 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/td><td>\u0645\u062a\u0648\u0633\u0637\u0629 (\u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0623\u0644\u064a\u0627\u0641)<\/td><\/tr><tr><td>\u0648\u0632\u0646<\/td><td>\u062b\u0642\u064a\u0644<\/td><td>\u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646<\/td><\/tr><tr><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/td><td>\u0645\u062a\u0648\u0633\u0637\u0629 (\u0645\u063a\u0644\u0641\u0629)<\/td><td>\u0639\u0627\u0644\u064a<\/td><\/tr><tr><td>\u0627\u0644\u0645\u0648\u0635\u0644\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td><td>\u0646\u0639\u0645<\/td><td>\u0644\u0627<\/td><\/tr><tr><td>\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/td><td>\u0623\u0639\u0644\u0649<\/td><td>\u0623\u0642\u0644<\/td><\/tr><tr><td>\u062f\u0648\u0631\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/td><td>\u0645\u0637\u0644\u0648\u0628 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644<\/td><td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/td><\/tr><tr><td>\u0623\u0641\u0636\u0644 \u062a\u0637\u0628\u064a\u0642<\/td><td>\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0643\u062b\u064a\u0641\u0629<\/td><td>\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u062e\u0641\u064a\u0641\u0629 \u0648\u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lifecycle-cost-analysis\">\u062a\u062d\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"768\" height=\"597\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/sacacsavdasdbwsfd-768x597.jpg.webp\" alt=\"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631\" class=\"wp-image-2527\" style=\"object-fit:cover;width:500px;height:400px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/sacacsavdasdbwsfd-768x597.jpg.webp 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/sacacsavdasdbwsfd-768x597.jpg-300x233.webp 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/sacacsavdasdbwsfd-768x597.jpg-15x12.webp 15w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/04\/sacacsavdasdbwsfd-768x597.jpg-600x466.webp 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cast-manhole-cover-lifecycle-cost\">\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u062d\u064a\u0627\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628<\/h3>\n\n\n\n<p>\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0623\u0639\u0644\u0649\u060c \u0625\u0644\u0627 \u0623\u0646 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0628 \u062a\u0642\u062f\u0645 \u0645\u0627 \u064a\u0644\u064a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u0645\u0631 \u062e\u062f\u0645\u0629 \u0637\u0648\u064a\u0644 (20-40 \u0633\u0646\u0629 \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a)<\/li>\n\n\n\n<li>\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0647\u064a\u0643\u0644\u064a\u0629 \u0639\u0627\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u062a\u0631\u062f\u062f \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0623\u0642\u0644<\/li>\n<\/ul>\n\n\n\n<p>\u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0646\u0642\u0644 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0623\u0639\u0644\u0649 \u0628\u0633\u0628\u0628 \u0627\u0644\u0648\u0632\u0646.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"composite-lifecycle-cost\">\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/h3>\n\n\n\n<p>\u0639\u0631\u0636 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0642\u0648\u0649 \u0627\u0644\u0639\u0627\u0645\u0644\u0629<\/li>\n\n\n\n<li>\u0639\u0645\u0644\u064a\u0629 \u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0622\u0643\u0644<\/li>\n<\/ul>\n\n\n\n<p>\u0648\u0644\u0643\u0646 \u0642\u062f \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u0628\u0643\u0631\u064b\u0627 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0625\u0630\u0627 \u062a\u0645 \u062a\u0637\u0628\u064a\u0642\u0647 \u0628\u0634\u0643\u0644 \u062e\u0627\u0637\u0626.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"real-engineering-case-studies\">\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"case-study-1-european-highway-upgrade-project\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 1: \u0645\u0634\u0631\u0648\u0639 \u062a\u0631\u0642\u064a\u0629 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629<\/h3>\n\n\n\n<p>\u0627\u0633\u062a\u0628\u062f\u0644 \u0645\u0634\u0631\u0648\u0639 \u062a\u062c\u062f\u064a\u062f \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0637\u0629 \u0628\u0623\u063a\u0637\u064a\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 EN124 D400.<\/p>\n\n\n\n<p>\u0627\u0644\u0646\u062a\u0627\u0626\u062c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>35% \u062a\u062e\u0641\u064a\u0636 \u0641\u064a \u062a\u062f\u062e\u0644\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062d\u0645\u0648\u0644\u0629 \u0641\u064a \u0638\u0644 \u062d\u0631\u0643\u0629 \u0645\u0631\u0648\u0631 \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629<\/li>\n\n\n\n<li>\u062a\u0645\u062f\u064a\u062f \u0641\u062a\u0631\u0629 \u0641\u062d\u0635 \u0627\u0644\u062e\u062f\u0645\u0629 \u0625\u0644\u0649 10 \u0633\u0646\u0648\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"case-study-2-coastal-city-infrastructure-southeast-asia\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 2: \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u0645\u062f\u0646 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 (\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627)<\/h3>\n\n\n\n<p>\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0633\u0627\u062d\u0644\u064a \u0627\u0644\u0645\u0639\u0631\u0636 \u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u0645\u0627\u0644\u062d\u0629.<\/p>\n\n\n\n<p>\u0627\u0644\u0646\u062a\u0627\u0626\u062c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0635\u0641\u0631 \u062d\u0627\u0644\u0627\u062a \u0641\u0634\u0644 \u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0627\u0644\u062a\u0622\u0643\u0644 \u0628\u0639\u062f 5 \u0633\u0646\u0648\u0627\u062a<\/li>\n\n\n\n<li>40% \u062a\u0642\u0644\u064a\u0644 \u0648\u0642\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0639\u0645\u0627\u0644 \u0628\u0633\u0628\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0648\u0632\u0646<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"case-study-3-industrial-chemical-plant\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062d\u0627\u0644\u0629 3: \u0645\u0635\u0646\u0639 \u0627\u0644\u0643\u064a\u0645\u0627\u0648\u064a\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/h3>\n\n\n\n<p>\u0646\u0647\u062c \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0647\u062c\u064a\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0623\u063a\u0637\u064a\u0629 \u0645\u0635\u0628\u0648\u0628\u0629 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u0644\u0646\u062a\u064a\u062c\u0629: \u062a\u062d\u0633\u064a\u0646 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0648\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0623\u062f\u0627\u0621.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"failure-modes-and-risk-analysis\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0648\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u062e\u0627\u0637\u0631<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cast-manhole-cover-failure-modes\"><a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/spheroidal-graphite-cast-iron-manhole-cover\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631<\/a> \u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u0622\u0643\u0644 \u062a\u062d\u062a \u062a\u0644\u0641 \u0627\u0644\u0637\u0644\u0627\u0621<\/li>\n\n\n\n<li>\u062a\u0634\u0642\u0642 \u0627\u0644\u062a\u0639\u0628 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0634\u062f\u064a\u062f<\/li>\n\n\n\n<li>\u062a\u0631\u0643\u064a\u0628 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0644\u062a\u0623\u0631\u062c\u062d \u0623\u0648 \u0627\u0644\u0625\u0632\u0627\u062d\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"composite-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0623\u0642\u0635\u0649<\/li>\n\n\n\n<li>\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d \u0644\u0641\u0626\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation-considerations\">\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/saxacsacasdv.jpg\" alt=\"\" class=\"wp-image-1061\" style=\"object-fit:cover;width:500px;height:400px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/saxacsacasdv.jpg 1000w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/saxacsacasdv-300x210.jpg 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/saxacsacasdv-768x538.jpg 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/saxacsacasdv-600x420.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cast-manhole-cover-installation\">\u062a\u0631\u0643\u064a\u0628 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628<\/h3>\n\n\n\n<p>\u064a\u062a\u0637\u0644\u0628:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0631\u0641\u0639 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0641\u064a \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062d\u0627\u0644\u0627\u062a<\/li>\n\n\n\n<li>\u0627\u0644\u0641\u0631\u0627\u0634 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0648\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0625\u0637\u0627\u0631<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0628\u0639\u062f \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"composite-installation\">\u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0631\u0643\u0628<\/h3>\n\n\n\n<p>\u064a\u062a\u0637\u0644\u0628:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u0646\u0633\u064a\u0628 \u0627\u0644\u064a\u062f\u0648\u064a \u0645\u0645\u0643\u0646<\/li>\n\n\n\n<li>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/li>\n\n\n\n<li>\u062f\u0648\u0631\u0627\u062a \u0646\u0634\u0631 \u0623\u0633\u0631\u0639<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"industry-trends-and-market-insights\">\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0648\u0631\u0624\u0649 \u0627\u0644\u0633\u0648\u0642<\/h2>\n\n\n\n<p>\u062a\u0633\u0644\u0637 \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0623\u062e\u064a\u0631\u0629 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0632\u064a\u0627\u062f\u0629 \u0627\u0639\u062a\u0645\u0627\u062f \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0641\u064a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0647\u064a\u0645\u0646\u0629 \u0623\u063a\u0637\u064a\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0641\u064a \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0646\u0642\u0644 \u0630\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0629 \u0627\u0644\u0646\u0634\u0631 \u0627\u0644\u0647\u062c\u064a\u0646 \u0627\u0644\u0645\u062a\u0646\u0627\u0645\u064a\u0629 \u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u062d\u062f\u064a\u062b<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0637\u0644\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 EN124 \u0641\u064a \u0623\u0633\u0648\u0627\u0642 \u0627\u0644\u062a\u0635\u062f\u064a\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0639\u062f \u0627\u0644\u062a\u062d\u0636\u0631 \u0648\u062a\u0648\u0633\u064a\u0639 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0641\u064a \u0623\u0641\u0631\u064a\u0642\u064a\u0627 \u0648\u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637 \u0648\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0645\u0646 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0646\u0645\u0648 \u0627\u0644\u0633\u0648\u0642.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"selection-guide-which-one-should-you-choose\">\u062f\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631: \u0623\u064a\u0647\u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u062a\u062e\u062a\u0627\u0631\u061f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"choose-cast-manhole-cover-if\">\u0627\u062e\u062a\u0631 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0625\u0630\u0627:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0648\u0645\u0646 \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u062d\u0645\u0644 \u0645\u0631\u0648\u0631\u064a \u0645\u0631\u062a\u0641\u0639<\/li>\n\n\n\n<li>\u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0623\u0648 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629<\/li>\n\n\n\n<li>\u0625\u0646 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"choose-composite-manhole-cover-if\">\u0627\u062e\u062a\u0631 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628 \u0625\u0630\u0627:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0647\u064a \u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629<\/li>\n\n\n\n<li>\u0645\u0637\u0644\u0648\u0628 \u062a\u0631\u0643\u064a\u0628 \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646<\/li>\n\n\n\n<li>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0634\u0627\u0629 \u0623\u0648 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u062e\u0641\u064a\u0641<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq-cast-manhole-cover-vs-composite\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is-the-main-difference-between-cast-and-composite-manhole-covers\">\u0645\u0627 \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0628\u064a\u0646 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0648\u0627\u0644\u0645\u0631\u0643\u0628\u0629\u061f<\/h3>\n\n\n\n<p><a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/composite-resin-manhole-cover\/\">\u0623\u063a\u0637\u064a\u0629 \u0645\u0635\u0628\u0648\u0628\u0629<\/a> \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u0649 \u0642\u0648\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u060c \u0641\u064a \u062d\u064a\u0646 <a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/composite-resin-manhole-cover\/\">\u0623\u063a\u0637\u064a\u0629 \u0645\u0631\u0643\u0628\u0629<\/a> \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0642\u0648\u0627\u0629 \u0628\u0627\u0644\u0623\u0644\u064a\u0627\u0641.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"which-is-stronger-cast-or-composite-manhole-cover\">\u0645\u0627 \u0647\u0648 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0623\u0642\u0648\u0649 \u0623\u0648 \u0627\u0644\u0645\u0635\u0628\u0648\u0628 \u0623\u0648 \u0627\u0644\u0645\u0631\u0643\u0628\u061f<\/h3>\n\n\n\n<p>\u064a\u0643\u0648\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0623\u0642\u0648\u0649 \u0628\u0634\u0643\u0644 \u0639\u0627\u0645 \u0641\u064a \u0638\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062b\u0642\u064a\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"are-composite-manhole-covers-safe-for-roads\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0622\u0645\u0646\u0629 \u0644\u0644\u0637\u0631\u0642\u061f<\/h3>\n\n\n\n<p>\u0646\u0639\u0645\u060c \u0648\u0644\u0643\u0646 \u064a\u0633\u062a\u062e\u062f\u0645 \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u062e\u0641\u064a\u0641\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0641\u0626\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"do-cast-manhole-covers-rust\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629 \u0635\u062f\u0623\u061f<\/h3>\n\n\n\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u0622\u0643\u0644 \u0641\u064a \u062d\u0627\u0644\u0629 \u062a\u0644\u0641 \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a\u060c \u0644\u0643\u0646 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u062a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0645\u062e\u0627\u0637\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"which-is-more-cost-effective-long-term\">\u0645\u0627 \u0647\u0648 \u0627\u0644\u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644\u061f<\/h3>\n\n\n\n<p>\u0630\u0644\u0643 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u061b \u064a\u0639\u062a\u0628\u0631 \u0637\u0627\u0642\u0645 \u0627\u0644\u0645\u0645\u062b\u0644\u064a\u0646 \u0623\u0641\u0636\u0644 \u0644\u0637\u0648\u0644 \u0627\u0644\u0639\u0645\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0634\u0627\u0642\u0629\u060c \u0648\u0645\u0631\u0643\u0628\u064b\u0627 \u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"can-composite-covers-replace-cast-covers-completely\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0623\u0646 \u062a\u062d\u0644 \u0645\u062d\u0644 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0635\u0628\u0648\u0628\u0629<\/h3>\n\n\n\n<p>\u0644\u0627\u060c \u0641\u0647\u064a \u062a\u0643\u0645\u0644 \u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636 \u062d\u0633\u0628 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\u062e\u0627\u062a\u0645\u0629<\/h2>\n\n\n\n<p>\u0643\u0644\u0627\u0647\u0645\u0627 <a href=\"https:\/\/shengxinfoundry.com\/ar\/product-category\/composite-resin-manhole-cover\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0632\u0647\u0631<\/a> \u0648\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0647\u064a \u0645\u0643\u0648\u0646\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 \u0641\u064a \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629. \u0648\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0641\u0633\u0629\u060c \u0641\u0625\u0646\u0647\u0627 \u062a\u0645\u062b\u0644 \u062d\u0644\u0648\u0644\u0627\u064b \u0647\u0646\u062f\u0633\u064a\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u064f\u062d\u0633\u0651\u0646\u0629 \u0644\u0638\u0631\u0648\u0641 \u062a\u062d\u0645\u064a\u0644 \u0645\u062d\u062f\u062f\u0629\u060c \u0648\u0639\u0648\u0627\u0645\u0644 \u0628\u064a\u0626\u064a\u0629\u060c \u0648\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629.<\/p>\n\n\n\n<p>\u062a\u0647\u064a\u0645\u0646 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0639\u0644\u0649 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0646\u0638\u0631\u064b\u0627 \u0644\u0642\u0648\u062a\u0647\u0627 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0627\u0644\u0641\u0627\u0626\u0642\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0648\u0641\u0631 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0645\u0632\u0627\u064a\u0627 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062d\u0636\u0631\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629.<\/p>\n\n\n\n<p>\u064a\u062a\u0637\u0644\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0645\u0648\u0627\u0632\u0646\u0629 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0648\u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0648\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u062d\u062f\u0647\u0627.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u062a\u0645 \u0634\u0631\u062d \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u0635\u0628 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u0642\u0627\u0631\u0646 \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629.<\/p>","protected":false},"author":1,"featured_media":2527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-2524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/comments?post=2524"}],"version-history":[{"count":1,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2524\/revisions"}],"predecessor-version":[{"id":2528,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2524\/revisions\/2528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/media\/2527"}],"wp:attachment":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/media?parent=2524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/categories?post=2524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/tags?post=2524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}