... layers,PE EPE ,peral cotton ,three side sealing This machine is mainly applied to various single layer ,double layers,PE ... or sero motor4.unwinding:two sets og unwind device5.sealing bag method:matched with vertical,sealing knife ,pneumatic control6.unwinding ... devicespecification1.max.diameter of diameter:1000mm2.max.bag width:800mm 1000mm 1200mm3.max.bag length:200-1000mm4.paper core:3 inch5.max. ...