Having absorbed the advanced technology both at home and abroad, we successfully developed the square bottom type of paper bag making machine with roll paper or printed roll paper. This machine features a continuous function of automatic paper suction, gluing, creasing, bottom sticking and bag formation at a stroke. The machine has automatic force controlling machine and the function of color marking tracking. All the operation procedures are controlled by PLC, saving labor force. This is an ideal equipment for making paper bag for shopping, loading foods and so on.