... for the production 4. OEM carbon steel zinc plated precision machining parts, machining products 1 ... Strict quality control systemMaterial:Steel, stainless steel, aluminum, zinc, copper, brass, plastic etcMachining process:CNC machining, milling, turning ... , planning, welding, laser cuttingSurface treatment:Polishing, chrome/zinc/nickel plating, power coating, anodize, E-coatingApplicable industry ...