1,PA EVOH barrier film 2,pa film extruder 3,pa stretch film 4,downward blowing water cooling film machine 1. brief introductionThis machine mainly use ... film, high temperature stretch film, low temperature stretch film, co-extrusion PA film, high obstruct film, stretch packing film, obstruct film, barrier film,barrier deep stretch film, five layers coexctrusion film, PA film ...