1,Aluminum industrial extruded tube profile 2,extrusionaluminium manufacturer 3,IOS 9001 ... extrusion aluminum tube 6061 , aluminum square tube,aluminium alloy tube , aluminum pipe., aluminium square pipe,aluminium square pipe.Process flow;1, extrusion ... porthole die, Our workshop has 600-1800MT aluminium section extruded machines and high temperature blanket automatic transmission production lines. ...