langenloisSquare bottom three-dimensional packaging bag

PVC soft film packaging,langenlois square bottom packaging bag, aluminum bag window packaging bag, t...

langenloisElectric insulation crinkle paper

langenlois Insulating Wrinkle Paper, also known as crumpled paper,langenlois refers to a type of pro...

langenloisFood storage bag

langenlois Body moisture-proof bags (grain storage bags, aluminum-plastic composite bags, vacuum foo...

langenloisAluminum-plastic film material

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