"multi wall paper bags"

화학 물질 및 분말의 대량 포장에 적합한 높은 습기 저항성을 갖춘 1~4겹 PE 내부 접착 다층 벽 밸브 백

1 to 4 Layers PE Inner Pasted Multiwall Valve Bags Product Overview The multi-layer valve bag is crafted using fully wood pulp bleached kraft paper as the core material. It undergoes a sophisticated multi-layer composite process, resulting in a high-quality sealed packaging container equipped with a ...