... ,double inverte 4.easy operate 1. servo motor and Single board microcomputer digital display controller as core for promote precision of controlling,adjustment ... 2.bag making,sealing and cuting in one time,high speed packing,stable working,this kind of machine is easy to ... PAPER/PE,PET/Aluminum itemspecificationpacking film width(mm)80-360packing speed(bag/min)50-180bag length range(mm)120-350bag ...