KaiyuanSquare bottom three-dimensional packaging bag

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

KaiyuanElectric insulation crinkle paper

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

KaiyuanFood storage bag

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

KaiyuanAluminum-plastic film material

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