... steel, stainless steel, carbon steel, copper, alloy.2. Finish: zinc plated, chrome, polish, nickel, etc..3. Size ... : metal fabrication, machining, welding, forming, shaping, drilling, turning, milling, grinding, chip formatting, rolling for cnc machining parts.6. Secondary ... blasting, anodize, plating, powder coating.8. Application: CNC machining parts are used as Car parts, optical parts, Electric ...