birSquare bottom three-dimensional packaging bag

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

birElectric insulation crinkle paper

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

birFood storage bag

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

birAluminum-plastic film material

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