sides sealing bag making machine 1. Plastic side sealing bag 2, bottom sealing bag 3, double side sealing bag Sides sealing bag making machine Struture: which machine produce side weld (side sealing), bottom weld(bottom sealing), double ... . Main technical data:Material of bag making: HDPELDPEBOPPBag style: side weld bag,bottom weld bag, double weld bags (three styles of bag together) Length size of ...