... be blown cotinuous800/150m in the thickness ackaging films, film has goog insulation,for instance holding temperature,antihumid,antivreeze, ... is layer type siral mandrel,continuous 360°rotation.2,Screen pack changer design is reliable,safe in operation and ... counting device,vertical cutting device,cooling water row pipe,film spreading roller,scrap collecting device Model3SJ-G10003SJ-G12003SJ-G1500 ...