... reasonable price 3. No noise, high efficiency NOVO's timing pulley:1. Plain bore: MXL, XL, L, ... competitive in European market 2.Material:Plastic 3.Belt pulley, non-standard or standard ,OEM availableWhat ... (Mainland).What we manufacture and where we sell:timing belt pulleys,locking assemblies,torque limiter, gear,couplings,shaft ... ISO9001:2000 certified since 2003. Timing pulley,Timing belt pulleys