The materials of Douai are properly labeled, stored and traceable.
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Premium raw materials: the raw materials of Douai are well selected and strictly analyzed by our quality control member. They compare with the data through high-intensity testing experiments and then select the best materials. It has the advantage of good breaking strength
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To guarantee the quality of Douai , its raw material suppliers have undergone rigorous screening and only those suppliers that meet international standards are selected as long-term strategic partners. The product provides protection against light, heat, and oxygen
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Douai features a blend of aesthetics and functionality. The product is available in many different sizes and viscosity levels
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Strict production standards: the production process of Douai follows extremely stringent standards. These standards ensure that product performance reaches the predetermined range. Pattern printing can be customized on this product
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The product is designed for rigorous working conditions. Its excellent mechanical properties enable it to work stably in low and high temperature, humid environment, or corrosive conditions. The product does not peel off even used in a humid environment