... lathing,milling,drilling,tapping,punching, CNC machining, Anodizing(natural color,silver,black,gold etc.), powder coating,brushing ... treatment:Anodized,Sand blast,etc. Desc. Aluminum extruded shell,housing,case,enclosureMaterialsAluminum No.2011, 2014, 2017, 2024 ... .) 7,Packing.Aluminium shell,Electric energy shell,Aluminum Electronic housing,Aluminum housing,Metal shell,Aluminum power case,Metal ...