siegenSquare bottom three-dimensional packaging bag

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

siegenElectric insulation crinkle paper

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

siegenFood storage bag

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

siegenAluminum-plastic film material

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