... LLDPE, MLLPE Three-layer Common-Extruding Rotary Die-Head Film Blowing MachineCharacteristics:1.Die head is layer type spiral mandrel ... counting device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines are ... . The film has good in sudation, for instance holding temperature, anti-humid, ant-breeze, anti-rain, anti-roost, insulation oxygen, ...