Founded in the 1990s, Chongqing Duchengrongfeng Mechanic Manufacture Co., Ltd (CDM) is a professional manufacturer with over 35 years of expertise in customizing high-end forged crankshafts.

After a strategic reorganization in 2004, we expanded with a new factory and introduced intelligent production lines, concentrating more on OEM/ODM engines and high-performance engine & racing parts.

We have 2 factories span over 70,000 square meters, with 10 automated production lines and 300 CNC machines, ensuring efficient production of 45 HQ containers per week. Also certified to IOS, IATF 16949 and EC, we are committed to delivering products that meet the highest global quality standards.