olutangaSquare bottom three-dimensional packaging bag

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

olutangaElectric insulation crinkle paper

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

olutangaFood storage bag

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

olutangaAluminum-plastic film material

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