ulmSquare bottom three-dimensional packaging bag

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

ulmElectric insulation crinkle paper

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

ulmFood storage bag

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

ulmAluminum-plastic film material

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