... pulley .2 Made of superior gray cast iron GG25 Taper Lock Belt Pulley - Europe Standard 1 SPZ, SPA, SPB, ... of which is a professional manufacturer and exporter of mechanical power transmission products. Our principle is to offer prompt and ... .Our quality products include Locking Assemblies, Couplings(Aluminum/steel), Taper Lock Belt Pulley, Timing Pulleys(Aluminum/steel), Bushings, Sprockets, Gears ...