... ,drilling,tapping,brushing,black anodize.7.Surface finish:Mill finish,anodize,electrophoresis,powder coating could customize.8. ... for our customers:1.We can produce the aluminum shell with different specification which is based customers' requirement, ... CNC machining, bending, wire-drawing, etc.4.Surface Treatment: Mill finished, Polished, Sand blasting, Anodized, Powder coated, Chromating, Passivating ...