Douai is manufactured under the inspection of the QC team. It is checked in all aspects to make sure it meets the standards for indoor decorating and refurbishing materials. Our R&D team is led and guided by a professor team from South China University of Technology
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Douai incorporates different principles of fashion design. As only through the consistent use of all principles can a successful and eye-catching design be created. The PVA water soluble film can be widely applied like pesticide packing, medical laundry bags and so on
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Douai has passed the fire protection test. The fire resistance testing is done to British, European, International standards, CE marking and third-party certification. Located in Nanhai High-tech Zone, our factory covers 3300 square meters with over 60 employees
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Douai meets the regulations of the Administration of Power Supply. It has been tested for voltage fluctuation and current, and the test proofs that it runs safely and stably in the power supply system. Our film has good flexibility, the effective isolation of various substances and rapid dissolution of water
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The design of Douai has been optimized. It mainly includes mechanical structure, spindles and drive system, control and inspection systems, etc. For now, Polyva has applied for 9 invention patents including 5 utility patents
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This product is highly durable and resistant to stains and fading. It will look new even after years of use. Until now, we have developed 6 formula systems of PVA film with over 20 models of PVA film