This machine is used for rolls of primary color paper or printing rolls such as kraft paper, food paper and other paper rolls.This machine completes the paper bag process at one time.The window opening part is completed by unwinding,window opening. filming, edge glue, forming, cutting and indentation, bottom opening and bottom gluing, folding bottom forming, and finished bag finishing.The Paige bag part is completed by unwinding, patching, edge glue, forming,punching and cutting, bottom indentation and folding, bottom glue forming, and finished bag finishing in one time.This machine is more convenient to operate, more efficient, and more stable. It is an environmentally friendly paper bag machine equipment for producing various paper bags, snack food bags, bread bags, dried fruit bags, etc.