siwaSquare bottom three-dimensional packaging bag

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

siwaElectric insulation crinkle paper

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

siwaFood storage bag

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

siwaAluminum-plastic film material

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