... 1. Material 6063-T5/T6 2. High hardness 3. Meet GB/T5232006, GB/T6892,JIS H4100,AAMA6603,BS6496 standard heat sink used in computer ... 35000 aluminum types and we have our mature such as computer chips, CPU cooling unit, aluminum furniture, kid-cars,aluminum ladder ... invention in conductivity and radiating of aluminum . aluminum heat sink for computer used, hardware machining with color anodized