... 4.easy operate 1. servo motor and Single board microcomputer digital display controller as core for promote precision of controlling,adjustment,reliability ... . 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 width ...