1)Aluminium shell,Electric energy shell,Aluminum Electronic housing,Aluminum power case2)Metal outer covering,Aluminum enclosure Specifications:1.Alloy: 6063,6061,6463 or ... , anodizing, powder coating, baking varnish,silkprint.) 7,Packing. Aluminium shell,Electric energy shell,Aluminum Electronic housing,Aluminum housing,Metal shell,Aluminum ...