... sealed bags, pinched bottom bags, sewn open mouth paper bags Multi wall papaer bag, pasted valve bag, kraft paper sacks, heat sealed bags, pinched bottom bags, sewn open mouth paper bags, valve paper bagsPaper ... vacuum filling. We have huge width printing machines for paper width up to 1530mm; automic bag-making machine for ... production line for valve width up to 242mm. Sewn open mouth paper bags