Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. The PVA water soluble film can be widely applied like pesticide packing, medical laundry bags and so on
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The design of Douai is never out of date. Our laundry pods packing machine has been qualified with CE certificate
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The design and material selection processes of Douai are strictly controlled. For now, Polyva has applied for 9 invention patents including 5 utility patents
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Douai leads in design and technology. Our products have passed ISO9001 quality management system certificate
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The manufacturing process of Douai is safe and reliable. Our products have passed ISO9001 quality management system certificate
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A rigorous quality control process ensures zero defects and consistent quality. Water- soluble packaging bags are light which reduce the transportation cost