... machine uses LDPE, LLDPE granule material to produce air bubble film, which widely used as post parcel packing, precise instruments ... of extruder, air bubble forming device, perforation device, edge trimmed film collecting device, cutting device, winding device, cabinet control system.Main ... 130:1Power supply380/3/4/50(Volt/Ph/Line/Hz) 2013 New The Compound Polyethylene Bubble Film Making Machine