... certificate 2.Casting ,extrusion,CNC(milling),anodized 3.Material:A16063 Aluminum heatsink extrusion 1) Alloy 6061,6063,6063B,6060,6005,6N012 ... customers have Shenzhen Huowei, Zhongxing, Fushikang, Konka, Huizhou TCL, etc. Aluminum fabrication parts