... 3. HACCP, ISO, FDA, SGS certification zipper plastic bag and zip lock bag:strict highy quality control with ISO9001 certification.Features and ... Specifications:a. material: PE, PE/PO, etc.b. size: ... consulted carefully.5. kinds of raw materials: PO, PE, OPP, PP, PVC, CPE, PO/PE and composite material, non-woven fabric ...