... high-standard technician team 3)strict quality control Copper fitting connector1.Material: The part showed is made up of ... : complete machining such as Machining center, CNC, Lathe, Milling machine,drilling etc. Surface treatment: painting, polishing, heat treatment, plaining ... machining such as Machining center, CNC, Lathe, Milling machine,drilling etc. Size and designAs per the customer's drawings ...