... LLDPE, MLLPE Three-layer Common-Extruding Rotary Die-Head Film Blowing MachineCharacteristics:1.Die head is layer type spiral mandrel ... device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines are ... light and heavy-duty packaging, for example fresh fruits, meat-feeding, salt vegetables, fresh milk, drink. Main Technical Variables:ModelSJ- ...