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PVC soft film packaging,south-of-valley-university square bottom packaging bag, aluminum bag window ...

south-of-valley-universityElectric insulation crinkle paper

south-of-valley-university Insulating Wrinkle Paper, also known as crumpled paper,south-of-valley-un...

south-of-valley-universityFood storage bag

south-of-valley-university Body moisture-proof bags (grain storage bags, aluminum-plastic composite ...

south-of-valley-universityAluminum-plastic film material

The south-of-valley-university moisture-proof effect of aluminum-plastic film material is 80 times t...