... heat sealed bags, pinched bottom bags, sewn open month bags, valve paper bagsPaper mateiral: fom Canada, Finland, RussiaProduction line: Germany ... 250gbag structure: 1-6layersprint: 1-6 colors--- Common Sized pasted valve stepped bags (PVSE) Size: length, 350-1180mm; width, 350 ... bag-making machine for bag width up to 730mm and length 1430mm; automic pasting bottom production line for valve width up to ...