TZONG RONG AUTO PARTS CO., LTD was founded in 1974 and is mainly specialized in Heavy Duty Spare Parts and diesel & gasoline engine spare parts of various Japanese and Korea brands. For Komatsu parts, we can supply all kinds of Komatsu engine models, like S6D110, S6D125, S6D140, S6D155, S6D170, NT855, NH220…etc.