... For making 2-layer PE air bubble film. 2,Extruding, thermoforming. winding all in one machine. 3,Made in Zhejiang China. Feature ... , ceramic filters, articles and glassware, engineering and automobile components, machine tools and spares, textile machinery and spares, atomic energy, electrical ... The wind also dries out the film to make it ready for the next step processing.7. Variable speed drive can ...