ChangjiSquare bottom three-dimensional packaging bag

PVC soft film packaging,Changji square bottom packaging bag, aluminum bag window packaging bag, thre...

ChangjiElectric insulation crinkle paper

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

ChangjiFood storage bag

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

ChangjiAluminum-plastic film material

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