... -70dB(A) @7m Power Generator set CumminsThrough many years of cooperation with CUMMINS,Power World series with its high reliability,low use ... possess Chongqing Cummins Engine Co., Ltd (produce M, N, K series engine) and Dongfeng Cummins Engine Co., Ltd (produce B,C ... , L series engine ) and produce CUMMINS engines with globally uniform quality standard ...