... nitration and precision 3.two heads for one extrude Double-head Film Blowing Machine Setbrand name: TitanApplication: FilmBlown way: Extrusion ... two cylinders and one layer die head, feeding by two cylinders. Extruding with one die head one traction and rewinding device, it ... , strong resistance to corrosion, durable service. 3. The die head is plated with hard chrome, of screw mandrel type structure ...