we are R &D, production ,marketing engine bearing ,bushings, thrust slices of the professional production factory. Have developed Cummins ,Komatsu, Hino, Nissan, Cat, Isuzu, Deutz, Hyundai, Yanmar, Benz and other second series of three hundred kinds of models. widely used on excavator, loader, heavy duty truck, forklift, passenger vehicles, marine engine