... single layer ,double layers,PE EPE ,peral cotton ,three side sealing This machine is mainly applied to various single ... so on,1.PLC ,touch screen control,double photocells ,three step motor control2.mechcnism:channel steel ,steel plate 3.electric ... og unwind device5.sealing bag method:matched with vertical,sealing knife ,pneumatic control 6.unwinding way: automatic dancing devicespecification1.max ...