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manufacturing enterprises in China. DCEC produces B, C and l series diesel generators while CCEC produces  M, N and K series diesel generators. The products meet the standards of ISO 3046, ISO 4001, ISO 8525, IEC 34-1, GB 1105, GB / T 2820, CSH 22-2, VDE 0530 and YD / T 502-2000 “Requirements of diesel generator sets for telecommunications”.