Cummins, China’s largest foreign engine investor (over US$140 million), owns Chongqing Cummins (M, N, K series) and Dongfeng Cummins (B, C, L series). Their globally standardized engines are reliable, efficient, and backed by an international service network, meeting ISO 3046, ISO 4001, ISO 8525, IEC 34-1, GB1105, GB/T 2820, CSH 22-2, VDE 0530 and YD/T502-2000 requirements for telecom diesel generator sets.