We are CPT- China Power Transmission, Which has its own 3 factories, One foundry and 5 sales company, Is specialized in all sorts of power transmission parts, Such as pulley, Adjustable speed pulleys, Bushing, Keyless locking assemblies, Couplings, Torque limiters, Sprockets, Gears, Timing pulleys and so on. We are the largest manufacturer of pulleys in China since the end of 2005. We have years’ experience of exporting our transmission parts to American, European and Japanese markets. We got ISO9001 quality management certificate and applying for TS16949. The material for our products is fine grain grey iron (GG20, GG25), C45 steel, C20 steel, Aluminum. Please rest assured about the quality of our products. The samples can be supplied on your request. Our strength and advantages are 1 ) having experience on gears, Pulleys, Sprockets and so on; 2) advanced equipments and maching capability (CNC machines and machining center); 3) having our own foundry, Which is equipped with ...[More]and 2 semi- Automatic molding lines; 4) strict QC system; 5) rich resources and cheap labour