... , 3 .barrier film, 4.co-extrusion film, 5.high obstruct film, 1. brief introductionThis machine mainly use to produce five layers ... film, high temperature stretch film, low temperature stretch film, co-extrusion PA film, high obstruct film, stretch packing film, ... film , PA film, PA blowing machine, PA film machine,EVOH film machine, PA extruder, downward blowing machine. FD-BM1200-5/7X Five/seven ...