... 4. OEM carbon steel zinc plated precision machining parts, machining products 1.precision cnc machining parts2.Various material available 3.We ... plastic etcMachining process:CNC machining, milling, turning, drilling, planning, welding, laser cuttingSurface treatment:Polishing, chrome/zinc/nickel plating, power coating, anodize ... -T) carbon steel zinc plated precision machining parts, machining products