... 1,For making 2-5 layer PE air bubble film. 2,Extruding, thermoforming. winding all in one machine. 3, ... applications of sun shading, heat insulation, and packaging.Machine features: 1. Robust and reliable 2. Suitable for ... to make it ready for the next step processing.7. Variable speed drive can greatly reduce energy consumption ... size model can be custom-made. 2-7 layer PE Air Bubble Film Making Machine