We are major in manufacturing easily spoiled construcrion machinery undercarriage parts, such as Track roller, Carrier roller Sprocket, Idler, Track chain, U-bolt & nut, link-bucket, link rod, spring, pin & bushi-ng, shaft, high-strength track shoe for different kinds of excavator, bulldozer and drill, with a complete spe-cification for KOMATSU, CATERRILLER, Hitachi, KOBELCO, SUMITOMO, KATO, HYUNDAI, DAEWOO. The quality can be compared favorably with the international standard products, which make our goods sell well throughout China and export to European, Middle East and the Southeast Asia, with a good reputation frome the users.