... Qianyu Commercial & Trade Co., Ltd. is specialized in the wholesale and retail of Shantui bulldozers, Komatsu excavators and other ... Piston Ring, Metal, Crankshaft, Oil Pump, Fuel injection Pump, Water Pump, Alternator, Starting Motor3) Hydraulic spare parts: Main Valve, Main ... , D31, D50, D60, D75, D80 (D85) Excavator Radiator/Water Tank for Komatsu,Sumitomo,Hitachi,Kobelco etc PC60/130/200/300/400