Chongqing Cummins Engine Co., Ltd(CCEC), Sino-US joint venture company , was established in October,1995, located lieshimu Shapingba District of Chongqing. The Chinese parent company is Chongqing Machinery & Electric Co., Ltd. The foreign parent company is the United States Cummins ( China ) Investment Co., Ltd. , the investment ratio is 50 % of each parts. Now the existing staff of CCEC is more than 1,400 people. The predecessor of CCEC is Chongqing automobile engine factory , began the design and manufacture of diesel engines from the 1950s.

Chongqing Cummins(CCEC), as the beginning of  local production of Cummins diesel engine in China , is the largest heavy-duty Cummins engine and high-horsepower Cummins engine manufacturing plant in China . In 1981 , Cummins and former China National Heavy Duty Truck formally signed a license agreement to begin producing large horsepower Cummins diesel engine in Chongqing. After years of development, they continue to deepen bilateral cooperation . Chongqing Cummins(CCEC) has been the rapid growth of business and an important driving force for Cummins Inc in China.