1 LED aluminum extruded heat sink 2 ISO9000:2008 certiicated 3 heat sink for LED, CPU,Power 4 20 years experiece 5 OEM/ODM OEM aluminum and radiator for LED, GPU, CPU, PCB Products Specification:1) Dimension: According to your requirement. 2) Material: copper, iron,aluminum 6063/6061/6005/6060 T5 or T63) Finishing: Anodizing, brushing, sand blasting, shot blasting, milling, polishing powder ...