The quality control of Douai is conducted rigorously. It has been certified under relevant pool standards, such as ANSI, APSP, and UL.
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Douai is manufactured by complying with a variety of electrical standards, including electrical safety, electromagnetic compatibility (EMC) and the chemical composition of materials.
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Douai is exclusively developed with good phone adaptability by the R&D team. It has been proved that it meets safety requirement. Specially galvanized, it is therefore suitable for outdoor applications
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The manufacturing process for the materials of Douai includes many steps that determine the precise set of properties for the finished product, such as wrinkle resistance and colorfastness. Even with heavy cargo, it remains surprisingly quiet
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Douai has passed the workmanship assessment. It is evaluated in terms of stitching, construction, attachments and fasteners, embellishments, shading within a garment, pattern continuity/matching, tapes, and linings. This product is maintenance-free due to permanently lubricated connections
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The professional QC team secures the quality of this product. The operation of this product is designed intuitively and simple