... . high speed steel 4. Komatsu, Hino, Isuzu, Mitsubishi Diesel Engine Nozzle1. P, S, DNS and DNP series2. OEM is allowed3 ... and dealing with diesel engines and spare parts for diesel engine for years. Our expertise lies in the complete design ... , cylinder heads, cylinder blocks, cylinder liners, pistons, piston rings, engine valves, engine bearings, oil nozzles, oil seals, oil pumps, fuel pumps, water ...