Cummins Inc. is a company that designs, manufactures and sells diesel engines and compressed natural gas engines. Cummins has invested over 140 million US dollars in China. It has Dongfeng Cummins diesel generator sets and Chongqing Cummins diesel generator sets. As a major foreign investor in the engine industry, Cummins has eight joint venture and wholly-owned manufacturing enterprises. Dongfeng Cummins produces B, C and L series diesel engines, while Chongqing Cummins produces M, N and K series diesel engines. The power coverage ranges from 20 to 200 KW. Its advanced economy, power, reliability, durability and environmental safety have been widely praised by users. It has better performance, quality and service guarantee among similar products and is a recommended product of the Cummins diesel generator set department of Weirun.