This Polyethylene Bubble Film Extruding Machine adopts one-through shaping technique, thus has efficiency and excellent product quality. This machine set has such features as scientific and reasonable structure design, smooth and reliable running and convenient operation and maintenance. Polyethylene air-cushion film(also called polyethylene bubble film), which is divided into two kind: Ordinary polyethylene air-cushion film and composited poly-ethylene air-cushion film. Is a kind of packing material which has been widely used at present. It not only has good cushion effect, shock resistance and heat-sealing performance, but also has such advan-tages as good corrosion resistance and trans-parency, etc. So it has been widely used for packing, household wares, post parcel, precise instrument, bicycle, polyurethane furniture, etc.