volkelSquare bottom three-dimensional packaging bag

PVC soft film packaging,volkel square bottom packaging bag, aluminum bag window packaging bag, three...

volkelElectric insulation crinkle paper

volkel Insulating Wrinkle Paper, also known as crumpled paper,volkel refers to a type of processed p...

volkelFood storage bag

volkel Body moisture-proof bags (grain storage bags, aluminum-plastic composite bags, vacuum food ba...

volkelAluminum-plastic film material

The volkel moisture-proof effect of aluminum-plastic film material is 80 times that of ordinary poly...