... / aluminum boxes used in Aluminum LED lamps/ street lights /daylights/ceiling lamps/ spot lights/downlights and so onAluminum extrusion1 ... lathing,milling,drilling,tapping,punching,CNC machining,Anodizing(natural color,silver,black,gold etc.),powder coating,brushing,burring ... , wall thickness. (2)the requirement of surface treatment and color. (3)quatity. (4) company name, contacts, and contact ...