... and most competitive in European market 2.Material:Plastic 3.Belt pulley, non-standard or standard ,OEM availableWhat we have:Our ... province, China(Mainland).What we manufacture and where we sell:timing belt pulleys,locking assemblies,torque limiter, gear,couplings,shaft,gears,sprockets ... 've been ISO9001:2000 certified since 2003. Timing pulley,Timing belt pulleys