Look at the aluminum door and window sign
For formal or production license manufacturers , the product's mark will be indicated on the obvious part of the product, such as the name of the factory, whether there is a “QS†mark and environmental protection mark, product name, model number, and date of manufacture.
Look at aluminum door and window sealing performance
When choosing aluminum doors and windows, be sure to pay attention to the sealing performance. If the sealing performance is not good, it will cause air leakage, ash, and noise. The high-quality sealing strip can effectively prevent dust and water, and the sound insulation effect is outstanding.
Look at the aluminum door and window material
Look at the material of the door and window depends on whether the aluminum profile is qualified, the wall thickness of the main profile should be greater than 1.4mm; the color of the same aluminum alloy profile should be consistent, if there is obvious color difference, it is not suitable for purchase; check the surface of the aluminum alloy profile, there should be no depression or bulging . The high-quality aluminum door and window brand has strict self-discipline, and the advanced thermal transfer technology, oxidation technology and spraying technology are used in the corresponding places to reduce the chromatic aberration and maintain the consistency of the product color. The surface treatment texture is good and not easy. fade. When purchasing doors and windows, it is necessary to observe whether the thickness of the oxide film reaches 10 micrometers. When purchasing, you can lightly scratch the surface of the profile to see if the oxide film on the surface can be wiped off.
For the aluminum door and window industry, many of the tricks: On the one hand, the relevant government departments should strengthen supervision and investigation of inferior products; on the one hand, consumers should be vigilant and avoid damage to their own interests; on the other hand, enterprises should also pay attention to product quality and product patents. Apply for protection. Only by exerting efforts and efforts can we promote the aluminum door and window industry to move towards a healthy and sustainable path.
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