1. special screw 2. die take down easy 3. PVC film machine 4. big width pvc film 5. special chane net device FD-BM1600/2500N-PVC UN-wide in width PVC film machine 1. using of PVC film machine this machine use to produce wide PVC film, this film use for making greenhouse ,banner, salt film, air-filled toy, tent, and packing sofa, furniture and etc.2. technic parameter of PVC film machine ...