Chongqing Cummins Engine Co., LTD., a Sino-US joint venture, was established in October 1995. It is one of the largest companies in the world producing, designing and selling diesel engines and compressed natural gas engines. The N series engines of Chongqing Cummins were rated as China’s National Quality Products (Silver Award), and the N and K series engines and generator sets were rated as the first batch of famous brand products in Chongqing.