About Us We are Manufacture of quality industrial chains. We offer such chain links as transmission chains, conveyor chains, roller chains, paver chains, as well as duplex and triplex chains. As a member of the National Chain Association and Chain Drive Standardization Technology Committee, we are dedicated to the development and production of high quality chains. Presently, our main export markets include Europe, America and Southeast Asia. With scientific management, advanced technology, and a strict testing system, we are able to manufacture our products according to ISO9001 stipulations. Furthermore, our products completely conform to the National standard (GB) and other renowned standards as ANSI, DIN, BS, and JIS. Our skilled design team is able to design chains and sprockets according to your exact requirements, allowing us to proudly offer quality products that meet our customers' specific needs. We are continually exploring opportunities to engage with like-minded companies seeking to establish mutually beneficial and strategic long-term working relationships. Please contact us for further details and we will promptly answer any questions you may have. Apart from exporting different kinds of commodities, our company has own factories to make marine gearbox and ebike alloy, , including Heng Yu Kniting&Textile Co., Ltd, Which is located in The biggest sock place in China: Datang Town, Zhuji City. We produce children's socks, cotton terry socks, men's sports socks and all kinds of cotton socks for men and ladies.