... .RoHS,ISO9001,ISO14000 certificate 2.Casting ,extrusion,CNC(milling),anodized Aluminum extrusion profiles1) Alloy 6061,6063,6063B,6060 ... 0.5<0.25<0.3<0.13) Temper T3-T8 4) Surface Treatment 1.drilling ... on.5)Machining procedure:die casting ,make mould,extrusion ,CNC (milling finish),cutting,anodized6) Factory, Employee ... , Fushikang, Konka, Huizhou TCL, etc. Aluminum extrusion profiles for amplifer