ChengmaiSquare bottom three-dimensional packaging bag

PVC soft film packaging,Chengmai square bottom packaging bag, aluminum bag window packaging bag, thr...

ChengmaiElectric insulation crinkle paper

Chengmai Insulating Wrinkle Paper, also known as crumpled paper,Chengmai refers to a type of process...

ChengmaiFood storage bag

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

ChengmaiAluminum-plastic film material

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