... , vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines ... the thickness packaging films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good ... resistive, and so used for light and heavy-duty packaging, for example fresh fruits, meat-feeding, salt vegetables ... -layer Co-extrusion Rotary Die-head film blowing machine