Ceramic part Material: 95% Alumina Color: white We can produce gears, gear boxes, worm, worm wheel and ceramic parts.We Shenzhen ... and stainless steel as raw materials which are as following:gear wheel,worm wheel,worm, metals injection shaping;B. Plastics ... plastics;C. And provide professional design, process various of minitype gear.For more information, pls contact us freely. (office telephone: ...