senjSquare bottom three-dimensional packaging bag

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

senjElectric insulation crinkle paper

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

senjFood storage bag

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

senjAluminum-plastic film material

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