The chain refers to the standards of ANSI and DIN. It mainly includes a round -selling tooth chain and rolling tooth -shaped chain. It uses high -quality materials and technologies with independent intellectual property rights. The characteristics of smoothness are widely used in the fields of automobile manufacturing, agricultural machinery, construction machinery and other fields, and transmitting motivation for various types of machinery and facilities, such as rail grinding machines, processing centers, flat ground machinery, automobile production lines, steam turbines, etc.