HaidianSquare bottom three-dimensional packaging bag

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

HaidianElectric insulation crinkle paper

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

HaidianFood storage bag

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

HaidianAluminum-plastic film material

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