sumperkSquare bottom three-dimensional packaging bag

PVC soft film packaging,sumperk square bottom packaging bag, aluminum bag window packaging bag, thre...

sumperkElectric insulation crinkle paper

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

sumperkFood storage bag

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

sumperkAluminum-plastic film material

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