helwanSquare bottom three-dimensional packaging bag

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

helwanElectric insulation crinkle paper

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

helwanFood storage bag

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

helwanAluminum-plastic film material

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