Aia ʻo Cummins ma Columbus, Indiana, USA.He 550 mau keʻena hoʻolaha ʻo Cummins ma mua o 160 mau ʻāina i hoʻolilo ʻoi aku ma mua o 140 miliona mau kālā ma Kina.Ma ke ʻano he mea hoʻopukapuka haole nui loa i ka ʻoihana ʻenekini Kina, aia he 8 mau ʻoihana hui a me nā ʻoihana hana paʻa i Kina.Hoʻopuka ʻo DCEC i nā mea hoʻoheheʻe diesel B, C a me L ʻoiai ʻo CCEC e hoʻopuka i nā mīkini hana diesel M, N a me KQ.Hoʻokō nā huahana i nā kūlana o ISO 3046, ISO 4001, ISO 8525, IEC 34-1, GB 1105, GB / T 2820, CSH 22-2, VDE 0530 a me YD / T 502-2000 "Nā koi o nā pahu hana diesel no ke kelepona. ”.