How to operate a square bottom paper bag making machine? #paperbag #paper

This is XKFD280 square bottom paper bag making machine trial running with 130*180mm size.this is not popular sizes in bag making machine that the bottom sealing with square sheets,it is a piece of the bag.I took the detailed video to show step by step,in order to tell the bag machine is not difficult to operate. Also V bottom paper bag machine is an easy step to start. if you are interested,I am here to talk with you at any time. #paperbagmachine #paperbag #paper