How to seal the square bottom valve pocket?

A filling port with automatic sealing function is designed on the upper bottom side of the square bottom valve pocket. The product will use the filling pressure when filling the material to seal the valve port, thereby forming a seal that is both airtight and moisture-proof.

Anhui Tianda Environmental Protection New Material Co., Ltd. mainly produces square bottom valve bags, inner-coated woven bags, outer-coated woven bags, color-printed woven bags, paper-plastic three-in-one bags, flexible container bags, PE bags, FFS film, mesh Eye bags, plastic woven bags, polypropylene raw materials, etc.

Contact: Shen Le'an (responsible for domestic and overseas business)

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Mobile/WeChat: 13956286204

Email: sla0901@td-sf.com