... touch screen and electric control system,the man-machine.... 1.Easy to operate,adopt advanced PLC ... screen and electric control system,the man-machine interface is friendly.2.Frequency conversion adjusts ... packing materials and raw materials.4.Safty device,Machine stop at abnormal air pressure,heater disconnection ... by user) Product Process 1,Giving bag2,coding date3,open bag 1st (open the zipper) ...