We can produce gears, gear boxes, worm, worm wheel, etc. We Shenzhen HuaYueXin Precise ware ... and stainless steel as raw materials which are as following:gear wheel,worm wheel,worm, metals injection shaping;B. Plastics products ... ,nylon,determine as raw materials.The products concerning as plastic gear wheel,worm wheel and other precise injection plastics;C. And ...