... RoHS,ISO9001,ISO14000 certificate 2.Casting ,extrusion,CNC(milling),anodized 3.Material:A16063 Aluminum heatsink extrusion1) Alloy 6061,6063,6063B,6060,6005,6N012 ... .milling 7.polish8.cutting 9.straightener 10.anodized4)Anodized Colour:silver, red, champagne, black, blue, bronze and so on.5)Machining ... have Shenzhen Huowei, Zhongxing, Fushikang, Konka, Huizhou TCL, etc. Aluminum heatsink extrusion