donaufeldSquare bottom three-dimensional packaging bag

PVC soft film packaging,donaufeld square bottom packaging bag, aluminum bag window packaging bag, th...

donaufeldElectric insulation crinkle paper

donaufeld Insulating Wrinkle Paper, also known as crumpled paper,donaufeld refers to a type of proce...

donaufeldFood storage bag

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

donaufeldAluminum-plastic film material

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