... : SPZ/SPA/SPB/SPC 3.MPTA standard pulley 4.OEM allowed Introduction:1. We are ... pulleys, such as V belt pulley, timing belt pulley, 3V, 5V, BV pulley and so on. 2. Pilot ... , multi wedge pulleys. 3. V-belt pulley for taper bush, with solid hubs. Standard sheaves, taper bushes sheaves ... Black oxide, phosphate, painted or passavited. 6. With standardized desigh and well equipped CNC machining systerms. Our ...