The quality control of Douai is conducted rigorously. It has been certified under relevant pool standards, such as ANSI, APSP, and UL. Water- soluble packaging bags can be also applied as a pesticide packaging that greatly reduces the incidence of pesticide poisoning
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Douai is manufactured by complying with a variety of electrical standards, including electrical safety, electromagnetic compatibility (EMC) and the chemical composition of materials. Until now, we have developed 6 formula systems of PVA film with over 20 models of PVA film
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Douai is exclusively developed with good phone adaptability by the R&D team. It has been proved that it meets safety requirement. The film Ployva produces enjoys excellent compatibility with liquid detergents
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The manufacturing process for the materials of Douai includes many steps that determine the precise set of properties for the finished product, such as wrinkle resistance and colorfastness. 0.02ml filling high precision is one of the great performance of our machine
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Douai has passed the workmanship assessment. It is evaluated in terms of stitching, construction, attachments and fasteners, embellishments, shading within a garment, pattern continuity/matching, tapes, and linings. The adopted materials are all harmless which do no harm to human body
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The professional QC team secures the quality of this product. Established in 2014, Foshan Polyva materials CO., Ltd. specializes in development, manufacture and supply of water soluble PVA film