We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..

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A557 As a result, we have become a comprehensive manufacturer in the motion and control field providing an extensive lineup of products with superior durability, environment-friendliness, and quality.”We are always serving our customers with our best products.” ISO 9001, ISO/TS 16949 and AS9100 certified. Manufacturer of standard and custom roller chain & sprockets for use in a wide range of applications. Roller chain & sprockets are available in single-pitch, double-pitch and precision varieties. Meets or exceed ANSI standards.connecting links are also commonly known as A557 master links and are used to connect 2 ends of the chain & sprocket together. This A557 roller chain & sprocket connecting link is manufactured with precision hardened comp1nts to ensure durability, working life, and strength.Tel: +86-57188220973 Mail us: hzptcorp@gmail.com