... suitable to automobile, motorcycle, truck, tractor and etc.2. Piston pin for many type cars: Toyota, Nissan, Benz, Caterpillar, Komatsu, Isuzu ... , Mitsubishi and etc.3. Piston pin with high wear resistance, good storage oil and high corrosion ... .piston, piston ring,4.engine valve, engine bearing,5.oil nozzle, oil seal, 6.oil pump, fuel pump, water pump,7 ...