Chongqing cummins engine co., LTD is a sino-us joint venture. It was founded in October 1995. It is located in chongqing shapingba district . Chongqing machinery co., LTD. is China's parent company, and the United States cummins (China) investment co., LTD. is the foreign parent company. The investment proportion is 50% each.Existing staff is of more than 1400 people.Chongqing cummins, formerly the car engine plant, started to design and produce diesel engine in the 1950s.