1)Used for blowing low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE) and other plastic films 2) Die-head is layer type spiral mandrel, continuous 360° rotation 3) Cylinder and screws of the extruder are made of high quality alloy steel with optimum hardness and durable service after precision finishing and nitrogen treatment 4) Auxiliary machine has a platform working table for easy operation 5) Coiling unit adopts torque motor to keep proper tension and make rolling even and roll-changing easy 6) Widely used for packing liquid, printed base material, products for export, industrial products, garments and textiles