Suitable for packing regular objects such as biscuit, bread, instant noodle, moon cakes, industrial parts, paper box or trays.Suitable for packing regular objects such as biscuit, bread, instant noodle, moon cakes, industrial parts, paper box or trays.   QP-250B  QP-250D QP-250S rotary pillow packing machine I. Main performance and structure features 1. Double transducer control, flexible bag length cutting, operator needn’t to adjust the unloading working, saving time and saving films. 2.  human-machine operation, convenient and quick parameter setting. 3.Self diagnosis failure function, clear failure display. 4. High sensitivity optical electric color mark tracking ，digital input cut position which makes the sealing and cutting more accurate. 5. Separate PID control to temperature, suitable for various packing materials. 6. Stopping the machine in selected position, no sticking to the knife and…