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. It consists of 2 sets of automatic paper roll tension, roll correction, gluing, center gluing, raw material into tube, fixed length cutting, bottom indentation,bottom folding, bottom gluing, bag bottom forming, and finished bag finishing at onetime.This machine is more convenient to operate, more efficient, and more stable. It is an environmentally friendly automatic double-feed paper bag machine equipment for producing various paper bags, snack food bags, bread bags, dried fruit bags, etc.