... . The width of the bags could be adjusted by electrical motor. Press the control-button could adjust ... bag, the bag pattern is perfect and has a high quality of the sealing part, this improved ... ensure food hygiene and safety. 11. Packing a wide range, by choosing a different feeder, can be applied to the ... monolayer PE, PP and so on Preformed bag made by film and paper. Product Process: 1. Giving bag ...