Small Plastic film blowing machine Mini HDPE Film Extrusion Machinery. Min. Order: 1 Set. New mini HDPE LDPE film blowing machine in Taiwan. Min.We manufacture a variety of bag making machinery, automatic open-mouth baggingBag Making Machine Blow-moldingmachine (Film) In film blowing, the plastic is first extruded from a tubular die and moves upward to a film tower with a collapsing frame, guide rolls, and pull rolls driven by a motor. Air is compressed through the center of the die and infl