"Aluminum alloy door production process is relatively simple, many small manufacturers can produce, but the quality is mainly in the production process is fine." Experts on aluminum alloy door said that the quality of aluminum alloy door is reflected by the welding technology. High quality aluminum alloy door, fine processing, welding exquisite, especially some stitching parts are very smooth. And the poor aluminum alloy doors and windows, blind selection of aluminum profile series and specifications, processing rough, the corner of the door frame can not be stitched and smooth, and sometimes even larger gaps.
When consumers purchase, they should pay special attention to check whether there are welding defects, such as open welding, missing welding and so on. It is also necessary to see whether the door closet is closed, whether the gap is uniform or not, and whether the opening is flexible.
Reminding: after inspecting the welding process of aluminum alloy door, we should also examine whether the color of the product is bright, the texture is clear, and the defects of the paint can not be clearly scratched, bubbles and so on.
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