... Strict quality control systemMaterial:Steel, stainless steel, aluminum, zinc, copper, brass, plastic etcMachining process:CNC machining, milling ... drilling, planning, welding, laser cuttingSurface treatment:Polishing, chrome/zinc/nickel plating, power coating, anodize, E-coatingApplicable industry: ... CAD (IGS, STP, STL and X-T) carbon steel zinc plated precision machining parts, machining products