Douai has passed the test for flammability. The testing principle is straightforward. The ignition source is applied to it in a standardized way and then any smoldering or flaming behavior is noted. It has high tensile strength and can be deformed without breakage
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Douai meets the specification. All necessary parameters such as resolving power and optical density are properly defined in the design phase. The product can be resistant to corrosion
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The design of Douai is professional. It is completed by our designers who always follow the trends in construction and interior design. The product can be resistant to corrosion
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Douai has passed various kinds of tests in the laboratory. These tests include fire protection test, acoustic test, and durability test. The inner layer core of the product is chemically treated for improved adhesion of the copper surface
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Douai has been assessed in terms of electrical safety. The assessment includes electric shock hazards, flammability, heat-related hazards, and radiation hazards. With a compact design, it is space-saving
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Careful inspection is conducted before the actual outsourcing of the products in the market.