Gear, Spur Gear, Gear Shaft manufacturer / supplier in China, offering Original Factory Manufacturer Customized Synchronous Pulley Aluminum Tooth Timing Pulley, OEM/ODM Timing Pulley Synchronous Pulley, Suitable for All Types of Equipment, Htd Timing Pulley Aluminum Mxl XL Lh Xh Xxh T2.5 T5 T10 At5 At10 S2m S3m S5m S8m Gt2 Gt3 Gt5 Tooth Timing Pulley Synchronous Pulley and so on.