kninSquare bottom three-dimensional packaging bag

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

kninElectric insulation crinkle paper

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

kninFood storage bag

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

kninAluminum-plastic film material

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