1)Electric energy shell,2)Aluminium shell,Aluminum Electronic housing,Aluminum power case,Metal outer covering,Aluminum enclosur Specifications: 1.Alloy: 6063,6061,6463 or according to requirements.2.Finishing process: cutting,lathing,milling,drilling,tapping,punching, CNC machining, Anodizing(natural color,silver,black,gold etc.), powder coating,brushing,burring are available.3.Surface treatment ...