... head, 2)down-blowing water-cooling, Multi-layer PE film Co-extrusion Machine earn feautures: Features:DGJ-M series ... ,ternary copolymerized PP as material, to produce packaging film and composite packaging material which are with properties of good ... sealing, transparency and can be boiled, hot sealed, printed, etc, to provide high-quality cheap plastic packaging film for food, agricultural products, ...