... 2.Pin fin solutions for LED cooling 3.Passed ISO9001 2013 High power aluminium led bulb shell for sale Heatsinks ... drilling, punching, CNC Machining Drilling,punching,tapping,CNC Surface treatment Mill finish, powder coating, Anodizing Application Cooling ... system/heatsink Features:1.Material: Aluminum 6061/60632.Surface treatments: Anodizing, powder coating, wire drawing, sandblasting, ...