sionSquare bottom three-dimensional packaging bag

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

sionElectric insulation crinkle paper

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

sionFood storage bag

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

sionAluminum-plastic film material

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