Worm and Worm Gear, Timing Pulley, Gear Shaft manufacturer / supplier in China, offering Module 2, 40 Teeth, Motor Spur Gear Gears for Machinery Parts with ISO9001, Factory Sale OEM Customized Spur Gear for YAMAHA with ISO9001, High Precision OEM Drive Spur Gear for Motorcycle Electric Scooter and so on.