song-cauSquare bottom three-dimensional packaging bag

PVC soft film packaging,song-cau square bottom packaging bag, aluminum bag window packaging bag, thr...

song-cauElectric insulation crinkle paper

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

song-cauFood storage bag

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

song-cauAluminum-plastic film material

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