... )Standard:GB 5237-2008 3)high-quality aluminum alloy production Electric Aluminum Alloy Radiator1)Alloy No.:6061,6063...2)Temper:T3 ... Treatment:1,Powder Coating 2,Anodize 3,Electrophoresis 4,Mill Finish 5,Wood Grain 6,Flourocarbon Coating 7,PVDF Coating 8 ... film wrap, string, woden case,or according to customers' need. electric aluminum alloy radiator