... garment,textile,daily-use articles and industrial products etc. 1.The machine adopts single screw to extrude the material,two die heads to blow ... ,strong resistance to corrosion,durable service. 3.The die head is plated with hard chrome,of screw mandrel type structure ... rewinding,which is driven by torque motor,with even and smooth rewinding ande asy roll changing Double Die head Film Blowing Machine