... 3.specifications:Cutomer needs We have various kinds of turning parts.There is all kinds of sizes and colors ... contact with me. This is the information of the product:turning parts1. Material: carbon steel, stainless steel, aluminum, copper, ... the customer request. 2. Product range: parts processing, CNC lathe, turning parts, brass turning parts. 3. Surface treatment: galvanized steel, nickel plating ...