... Milling, Drilling, threading, tapping, casting etc4. Finish: color anodizating, passtive, polishing, zinc plating, nickel plating, chrome ... manufacture the light housing for LED street light, down light, spot light, LED bulb, ceilling light and high bay light etc. ... work light, cool-fans heatsink, good heatsink, lighter than other heatsink high power high power LED downlight 36w LED work light with ...