We, using NSK bearings & Dupont nylon, produce big ranges of precision timing belt tensioners, pulleys, gears & sprockets covering nearly all applications of Korean, Japanese, European & American cars. We have the most specifications of automatic tensioners and PK belt tensioners in China. Full ranges of timing belt kits are available. In addition, we make full ranges of timing belts, v belts & pk belts. Our products are regularly exported to UK, Spain, France, Germany, Korea, US, Colombia, Venezuela, etc. TS Certificates are approved.