1.Aluminium shell,Electric energy shell,Aluminum Electronic housing, 2.Aluminum power case ... ,silkprint.) 7,Packing.Aluminium shell,Electric energy shell,Aluminum Electronic housing,Aluminum housing,Metal shell,Aluminum power case,Metal enclosure ... Cutting, CNC machining, wire-drawing, etc.3.Surface Treatment: Mill finished, Polished, Sand blasting, Anodized, Powder coated, Chromating, Passivating ...