... 2)Standard:GB 5237-2008 3)high-quality Customized heatsink aluminium 1)Alloy No.:6005,6060,6061,6063,6063A,6463,6463A ... )Temper:T3-T8 3)Surface Treatment:1,Powder Coating 2,Anodize 3,Electrophoresis 4,Mill Finish 5,Wood Grain 6,Flourocarbon ... supply all kinds of aluminum profile, aluminum extruded profile, heatsink aluminium ,solar energy profile, elevator guide rail profile, radiate heat profile ...