... .Finish: none 3.OEM Machining Precision metal ignot, good quality metal ignot Ⅰ.BRIEF INTRODUCTIONWe can offer CNC machining, ... welding and other services. The line of production: valves, construction parts, auto parts, railways parts, marine parts, structure parts ... wire-cut , EDM, high-speed punch, bending machine, injection machine , CMM, tool microscope, projector, height gauge Production process ...