We can produce gears, gear boxes, worm, worm wheel, etc. We Shenzhen HuaYueXin Precise ware Co., Ltd. is professional and technical experience in the production of following products: A. Powder metallurgy products are made of bronzeiron and stainless steel as raw materials which are as following:gear wheel,worm wheel,worm, metals injection shaping; B. Plastics products are made of POM,nylon, ...