Worm and Worm Gear, Timing Pulley, Gear Shaft manufacturer / supplier in China, offering Original Mitsuboshi Triangle Belt A25/A26/A27/A28/A29/A30/A31/A32/A33/A34/A35/A36, Factory Customized Spur Helical Plastic Nylon Gear Pinion for Reducers and Speed Changers, High Quality Customized Nylon Plastic Spur Helical Gear for Various Machinery Equipment and so on.