... 1.RoHS,ISO9001,ISO14000 certificate 2.Casting ,extrusion,CNC(milling),anodized Aluminum extrusion profiles1) Alloy 6061,6063,6063B,6060,6005,6N012) ... than 500 employee, & more than 10% of them technologists.4 Machine & CapacityExtrusion line 18 set of 500-3000tons imported extrusion lines ... have Shenzhen Huowei, Zhongxing, Fushikang, Konka, Huizhou TCL, etc. Aluminum extrusion profiles for amplifer