SQUARE BOTTOM PAPER BAG MAKING MACHINE WHICH CAN MAKE SQURE BOTTOM PAPER BAG (SOS BAG ) 

Meanwhile ,you can choose some optional spare parts in machine ,
optional 1: 
square bottom paper bag making machine 2 color in line :
photo: 

video link : https://youtu.be/5TEYZD7Uyjg 

optional 2 : 
square bottom with double layer paper rolls and in line two colors printing machine :


squaer bottom double layer paper with 6 colors in line :
https://hongyingmachinery.en.made-in-china.com

Square bottom with handle punching in line automatically 

video link as below : 

https://youtu.be/gqJu7rxfdxY



printing machine can be optional : 
in line 2 color 

in line 4 color 


HEXAGONAL BOTTOM PAPER BAG MAKING MACHINE :
https://youtu.be/qBZ73E3HfvY

PAPER BAG MAKING MACHINE WITH HANDLE IN LINE AUTOMATICALLY :
https://youtu.be/gqJu7rxfdxY