The quality control of Douai is conducted rigorously. It has been certified under relevant pool standards, such as ANSI, APSP, and UL. Our R&D team is led and guided by a professor team from South China University of Technology
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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. 0.02ml filling high precision is one of the great performance of our machine
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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. Our R&D team is led and guided by a professor team from South China University of Technology
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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. Our film has good flexibility, the effective isolation of various substances and rapid dissolution of water
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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 performance of our water-soluble PVA film for laundry detergent products has reached internationally advanced level
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The professional QC team secures the quality of this product. The film Ployva produces enjoys excellent compatibility with liquid detergents