extrusion radiator 1.material:aluminum 2.finish:clean 3.process with supplied ... 6000 grade,Such as 6063,6061.other alloy uponcustomer’s requirement,like Special Al alloy-1060,1070,2011,2017,2021,2024,3003 ... .Dimensions can be revised as per client's request extrusion radiator,Dongguan cooling heat sink