Usage: Feeding by Vacuum Hopper,avoid block and water-back,feeding moothly, ensure good quality ... Speed 250m/minTotal Power Capacity 180 kwFeatures : Feeding by Vacuum Hopper, avoid block and water-back, feeding smoothly, ensure good quality ... type, auto film roll exchange controlled by PLC. Pipe core loading automatically Equip Pressure Vessel, heighten the quality of film. PVC ...