Douai is strictly scrutinized and tested. It is required to test in terms of its cutting, stamping, extrusion, anodizing, and polishing quality and overall mechanical properties. It is completely waterproof and UV resistant
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The design of Douai is the application of various disciplines. They include mathematics, kinematics, statics, dynamics, mechanical technology of metals and engineering drawing. It promotes the even distribution of foot pressure
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Douai has passed the following test. It has been tested in terms of statics, dynamics, material strength, vibration, reliability, fatigue, etc. Durability is a big selling point of this product
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Every production processes of Douai are conducted under advanced machines, including material cutting, stamping, welding, honing, and surface polishing machines. The firm and resilient arch supports give extreme comfort
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The check for Douai is strictly executed. All its components are thoroughly inspected for dimension specification and chemical composition. It does not contain allergens and carcinogenic dyes
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Equipped with a high-definition camera inside, whether it is a front or rear camera, it can quickly focus and take high-definition photos you want no matter in strong light, low light, or backlight environments.