Belt pulley, timing pulley, timing bar, clamping plate, v belt pulley, shaft locking devices and shrink discs, shaft collars, sprocket, idler and plate wheel, shaft coupling, rigid coupling and flexible coupling, jaw coupling, disc coupling, gear, spur gear, bevel gear, screw gear, taper bushings, racks, universal joing, customized shafts, stamping parts& forging casting, rock breaker, undercarriage assembly, front idler, carrier roller, track roller, sprocket, track chain, repair parts.