This machine are special design for packing granule product into square bottom bag .It is widely use for packing wheat rice bean grain and similar product .This machine unit are including ZLC4-2000 Four bucket linear weighing machine.one set ZL520 vertical bag forming filling machine .one set ZLYB1000 linear bag forming sealing and labeling machine and one set output conveyor .It can make the nice bag with square bottom and fold the bag mouth and labeling .So the finished bag have a nice shape ,pretty outlook .