... food, garment, textile, daily-use articles The machine is suitable for producing PP. It is widely ... the tension the tension and evenness degree of film. 2. Screw stem and cylinder are all ... 3. Die head has been chromized, it is advantage of screw core structure ,melting material extruding evenly, and blowing film smoothly ... , has the merits of smooth film, convenience operation. PP Film Blowing Machine