The production of Douai covers a series of processes. It includes the inspection of the slab, template layout, cutting, polishing, and hand finishing. A smooth part is added on its PTH line to reduce the roughness of through hole
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 is vacuum-sealed, which can greatly reduce the bulk of the overall cargo
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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 has the performance of great stability
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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. It totally conforms to the UL Flame Rating of 94V-0
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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. It can be manufactured with a customized thickness
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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. Its solderable surface is protected from the oxidation
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Careful inspection is conducted before the actual outsourcing of the products in the market. It stands out for its impact endurance performance