... .RoHS,ISO9001,ISO14000 certificate 2.Casting ,extrusion,CNC(milling),anodized Aluminum extrusion profile1) Alloy 6061,6063,6063B,6060,6005,6N012) Alloy ... 4) Surface Treatment 1.drilling 2.tapping 3.punching 4.wiredrawing 5.sand blasting 6.milling 7.polish8.cutting 9.straightener ... have Shenzhen Huowei, Zhongxing, Fushikang, Konka, Huizhou TCL, etc. Extruded aluminum section