... allowed Introduction:1. We are professional manufacturer for lots of pulleys, such as V belt pulley, timing belt pulley, 3V, ... 2. Pilot bore, taper bore Pulleys(SPA, SPB, SPC AND SPZ), adjustable pulleys, multi wedge pulleys. 3. V-belt pulley for taper ... With standardized desigh and well equipped CNC machining systerms. Our pulleys have high precision and good interchangeability. It has aready achieved ...