Meaning of valve pocket

Valve bags commonly known as pasted bag, it belongs to environmental protection bag. It is the international popular packaging bag at present which was feeding from the top or bottom valve port, Target material are filled into the bag from its filling spout on the upper or lower bottom. Valve bag requires specialized equipment. Package would form itself into a rectangle during the filling process. Valve bag is very efficient for filling and make it neat and tidy to palletizing. Stable stacking on the pallets makes it safer for transportation.

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