We are a professional manufacturer specialized in high quality hitachi�caterpillar�kato�kumatsu�kobelco�volvo, commission� dawoo sumitomo excavator spare parts and komatsu bulldozer parts for more than 20 years, and build ourself-owned brand "SQT" brand.In recent years we do trading export of forklift parts, road roller parts�hydraulic breaking hammer parts also. We sales market is relate to the whole Asia, south Africa, latin americanand other more than 30 countries and regions. Our excavator parts are including: bearing, gear, seal kit, undercarriage and hydraulic pump parts and engine parts Profile of excavator parts� Bearing:Travel bearing, Hydraulic pump bearing�swing bearing�Gearbox bearing and so on, Seal kits�boom cylindrical seal kitarm cylindrical seal kit� bucket cylindrical seal kit� center joint seal kit� hydraulic pump seal kit�control vavle seal kit� adjust seal kit�swing motor seal kit�travel motor seal kit�servo vavle seal kit� pilot valv seal kit� Gear:Travel Assemblies, Swing Assemblies, Transmission Gears, RV (Cycloidal) Gears, Swing Shafts, Sun Gears, Crankshafts, Planet Shafts, Planet Gears, Planet Carriers, Travel Hubs, Pump Cases, Bearings, Shaft Housings, Bearing Blocks, Covers, Undercarriage: front idler, carrier roller, track roller, link/chain, sprocket, track shoe assy, support arm, bolt and nut, valves. Hydraulic pump parts: head cover, , cam rocker, reitainer plate/set plate, ball guide, valve platet, piston, cylinder block, drive shaft, center pin, pin of center pin, coil spring, piston of can rocker, center ball, socket bolt, holder, shoe plate, separation plate, snap ring, cradce Engine parts: liner kit, piston, liner, piston ring, engine bearing.cylinder block assy, cylinder head, crankshaft, camshaft, connecting rod, valves. Profile of komatsu bulldozer parts� Undercarriage: front idler, carrier roller, track roller, track link/chain, sprocket, track shoe, bolt and nut, pin & bushing�bucket teeth� bucket���