TongnanSquare bottom three-dimensional packaging bag

PVC soft film packaging,Tongnan square bottom packaging bag, aluminum bag window packaging bag, thre...

TongnanElectric insulation crinkle paper

Tongnan Insulating Wrinkle Paper, also known as crumpled paper,Tongnan refers to a type of processed...

TongnanFood storage bag

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

TongnanAluminum-plastic film material

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