Suzhou Changsheng Chain Transmission Co.,Ltd. was founded in 1988, Specializing in producing various kinds of transmission chain, conveyor chain, non-standard chain, sprocket. Our main products include: oilfield roller chain, oil pump chain, A, B series standard chain, escalator chain, leaf chain, agricultural chain, roller, bush, chain plate and pin for non-standard chain. 

Our company has over 20 years of experience in R & D and production, adopting modern technology for design, research, development, testing and manufacture. It covers 7000 m², over 100 sets advanced equipments, more than 100 employees and 20 technical staff, our annual production capacity amounts to over one million meters. Our products meet market demand at home and abroad, exporting to Europe and the United States, Japan, Southeast Asia, Central Asia and other regions, Obtaining purchaser's consistent approval in the chain industry.

Company has strong technical power, perfect testing equipments, setting up R & D center, testing center, mold manufacturing center, so far we have self-applied and obtained more than 15 technical patents. Our company has advanced technology, perfect quality management system. As early as 2000, our company took the lead in passing the ISO9001 quality management system certification in the industry. In 2008, company passed the ISO9001:2008 quality management system certification again. We passed the API certificate in 2015 and  obtained China's oil entry license in 2016.Our company has established cooperative relations with Daqing oilfield, western Xinjiang drilling and other state-owned enterprises, and further promoted its brand of Changshengda

Our company adheres to the management philosophy “No concentration, No quality; No integrity, No success” , to keep the state" Has a long history, has a long life" to serve you wholeheartedly.