helSquare bottom three-dimensional packaging bag

PVC soft film packaging,hel square bottom packaging bag, aluminum bag window packaging bag, three-di...

helElectric insulation crinkle paper

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

helFood storage bag

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

helAluminum-plastic film material

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