helgolandSquare bottom three-dimensional packaging bag

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

helgolandElectric insulation crinkle paper

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

helgolandFood storage bag

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

helgolandAluminum-plastic film material

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