cpu heat sinks 1. Material 6063-T5/T6 2 ... ,JIS H4100,AAMA6603,BS6496 standard heat sink used in computer, in different colorMaterial: 6063-T5/T6Surface treartment: Mill ... aluminum types and we have our mature such as computer chips, CPU cooling unit, aluminum furniture, kid-cars,aluminum ladder ... and radiating of aluminum . aluminum heat sink for computer used, hardware machining with color anodized