... /T5232006, GB/T6892,JIS H4100,AAMA6603,BS6496 standard heat sink used in computer, in different colorMaterial: 6063-T5/T6Surface treartment: ... cooling unit, aluminum furniture, kid-cars,aluminum ladder, lamps ,heating pipes, etcWe have more than 50 patents of invention in conductivity ... and radiating of aluminum . aluminum heat sink for computer used, hardware machining with color anodized