osterfeldSquare bottom three-dimensional packaging bag

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

osterfeldElectric insulation crinkle paper

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

osterfeldFood storage bag

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

osterfeldAluminum-plastic film material

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