Ceramic part Material: 95% Alumina Color: pink We can produce gears, gear boxes, worm, worm wheel and ceramic parts.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 ...