Film Blowing Machine 1.raw material LDPE/ HDPE 2.3 layer co-extrusion 3.co-extrusion mold 4.film bubble contor systems Film Blowing Machine Main application This production line is used to produce three/five-layer non-PVC infusion film for clean and soft packaging. It consists of central computer control system, automatic weighing and material-feeding system, extruding system, co-extrusion mold, ...