... , gear boxes, worm, worm wheel and various shape high precision products. 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 ... wheel,worm wheel,worm, metals injection shaping;B. Plastics products are made of POM,nylon,determine as raw materials.The ...