sumySquare bottom three-dimensional packaging bag

PVC soft film packaging,sumy square bottom packaging bag, aluminum bag window packaging bag, three-d...

sumyElectric insulation crinkle paper

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

sumyFood storage bag

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

sumyAluminum-plastic film material

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