leidenSquare bottom three-dimensional packaging bag

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

leidenElectric insulation crinkle paper

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

leidenFood storage bag

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

leidenAluminum-plastic film material

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