Punch,Tube Trimming machine,Internal coating machine,Printing machine,Capping machine,Automatic Latexing machine...etc. Aluminum tube production lineφ11mm-φ22mmTotal line dimension ... Polish treatment by steel wire disc brush for tube head and shoulder.3. Mandrel adopts expansion ... and save quantity of electricity.. PT02 Internal lacquering machine 1. Reciprocation motion adopts bent axle structure ...