As a leading manufacturer and supplier in China, Shanghai Stone Diesel Engine Co., Ltd is specialized in complete engine DEUTZ/KHD, CUMMINS, ISUZU and CATERPILLAR. We are also the supplier spare parts. Such as crankshaft, camshaft, con rod, cylinder head, cylinder block, cylinder liner, piston, piston ring, engine valve, engine bearing, oil nozzle, oil seal, oil pump, fuel pump, water pump, turbocharger, and so on.