... .material use PE,and so. A+B+C Three-layer Co-extrusion Blown Film Machine(2)Characteristic:1.die head use ... roller/winding unit.Uses:A+B+C Series Three-layer Co-extrusion Rotary Die-head Film Blowing Machine has been improved ... machine, packaging machine, zipper extruder machine, ETC.We already sold to these country:America: America,Canada,Mexico,Argentina,Brazil,Chile,Ecuador ...