... steel as raw materials:gear wheel,worm wheel,worm, metals injection shaping; B. Plastics products which are made of POM,nylon ... materials as plastic gear wheel,worm wheel and other precise injection plastics;C. And providing professional design, process various of ... contact with each other for more information.We can produce gears, gearbox(servo motor, small toy gearbox, planetary gearbox), worm, ...