GuchengSquare bottom three-dimensional packaging bag

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

GuchengElectric insulation crinkle paper

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

GuchengFood storage bag

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

GuchengAluminum-plastic film material

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