... 3.packing type diversification 4.best after-sale English screen display,operation is simple Bag-making,sealing,packing,print date in ... operation.2,Separate circuit boxes for pneumatic cntrol and power control,Noise is low,and the circuit is more stable.3,Film-pulling ... orientation,size more nicety.5,External film releasing mechanism:simpler and easier installation of packing film.6,Adjustment of bag ...