svayriengSquare bottom three-dimensional packaging bag

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

svayriengElectric insulation crinkle paper

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

svayriengFood storage bag

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

svayriengAluminum-plastic film material

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