... low density polyethylene (LLDPE), which is widely used for packing foodstuff, garment, textile, daily-used articles and industrial production ... service.2) The die is plated with hard chrome, of screw mandrel type structure with even and smooth discharging, the blown ... is durven by torque motor, with even and smooth rewinding and easy roll changing PE film blowing machine with rotary die, film blower, ...