... 2.Casting ,extrusion,CNC(milling),anodized Aluminum extrusion profiles1) Alloy 6061,6063,6063B,6060,6005,6N012) Alloy chemical element profileAlloySiMgFeCuMnZnCrTi60630.2-0.6045 ... customers have Shenzhen Huowei, Zhongxing, Fushikang, Konka, Huizhou TCL, etc. Aluminum extrusion profiles for amplifer