... machine,plastic film machine,film extruder,film making machine,film blowing machine,machine plastic film blowing machine,film machine,plastic film machine,film extruder,film making machine,film blowing machine,machine ... two cylinders. Extruding with one die head one traction and rewinding device , it can improve the ... of striped film by adopting with one traction and one rewinding device.2. The screw ...