ChongqingSquare bottom three-dimensional packaging bag

PVC soft film packaging,Chongqing square bottom packaging bag, aluminum bag window packaging bag, th...

ChongqingElectric insulation crinkle paper

Chongqing Insulating Wrinkle Paper, also known as crumpled paper,Chongqing refers to a type of proce...

ChongqingFood storage bag

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

ChongqingAluminum-plastic film material

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