Donghua Chain Group was founded in November 1991, Headquartered in the National Economic and Technological Development Zone in Linping District, Hangzhou. Donghua Chain Group is listed as the first batch of manufacturing individual champion demonstration enterprises in China. It’s also recognized as a national enterprise technology center, a “National Intellectual Property Demonstration Enterprise”, and shortlisted among the Top 100 Machinery Industry Enterprises in China.
Chain drive system solution experts around you.
Chain used in petroleum industry mainly refers to roller chain used in transmission system of oil drilling rig, such as turntable drive chain, mud pump chain, parallel chain, winch chain, etc.
Through optimized design, reasonable material selection and precision manufacturing, it has high wear resistance, high fatigue resistance and high reliability, and has passed the American API system and product certification.
There are mainly ANSI standard series and heavy-duty series of single-row and multi-row oil chains.