Cummins, the largest foreign engine investor in China, has invested over 140 million USD and owns Chongqing Cummins (M, N, K series) and Dongfeng Cummins (B, C, L series). Its engines meet global quality standards and offer reliable, efficient support via an international service network, complying with ISO 3046, ISO 4001, ISO 8525, IEC 34-1, GB1105, GB/T 2820, CSH 22-2, VDE 0530 and YD/T502-2000 for telecom diesel generator sets.