


Three-side sealing bag, i.e. three-side sealing, only one opening is reserved for the user to load the product. Three-side bagging is the most common method of bagging. Three-side sealing bag has the best air tightness, and vacuum bag must be made in this way.
PET/PE、PA/PE,PET/AL/PE, PET/AL/NY/PE
Three-side sealing bag
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