... housing/ aluminum boxes used in Aluminum LED lamps/ street lights/daylight/ceiling lamps/ spot lights/downlights and so onAluminum extrusion1. ... ,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 ...