"multi wall paper bags"

化学薬品および粉末のバルク包装用の高耐湿性を備えた 1 ～ 4 層 PE 内側貼り付け多層バルブバッグ

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 ...