Valve bags commonly known as pasted bag, Target material are filled into the bag from its filling spout on the upper or lower bottom.Vavle bag is widely applied to food grade powder, chemical powder,fertilizer,medicine or mineral powder or kernels etc.Also there is large sized valve bag which is widely appied to fumed silica and fine Nami Grade Powder.

• Width：180-705mm
  Print color：1-5
  Color：brown，white，others
  Length：300-1500mm
  Layers：1-7
  Materials：Kraft paper,Paper-plastic bag,
                   Paper-aluminium bag.
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Advantages：High efficiency for filling to neat and tidy to palletizing;Stable stacking and safety; Environment friendly; Food grade and hygiene.

Square bottom bag as known as Self open square bottom bag or pasted bottom bag.Bottom is folded to form rectangle and pasted with reinforcement patch to increase its strength.When standing on its bottom, it is not easy to fall. Square bottom bag is environment friendly ,its packaging is solid and easy to palletize. It is widely used in the industry of additives ,chemical powders, animal feeds, plastics granule etc.