... , aluminum crust,aluminium power case,aluminium housing, metal outer covering,alumnium out casing. Material; A ... mass production 4,cutting5,deep processing ( punching / stamping, milling, taping, CNC machining, polishing.)6,surface treatment ... electronics products, Radiator.Shell & Housing & EnclosureElectronic product metal housing, electronic products,LED.Face-plate & Panel boardOperation panel ...