plastic food packaging bag license: QS ,ISO 9001:2000, SGS( ... PE, PET/VMPET-PET/PE allow clear window in one side, PET/PE and NY/PE are for transparent bags ... Style: stand up with zipper bag, three side sealed bag, quad-sealing bags Print: rotogravure to 12 ... heat-cut, cold-cut, blown, sealed-in the-middle, three-side-sealed, with handle or hanger hole Competitive Advantage:1).We ...