Sealing performance of aluminum alloy doors

1. Air tightness, 2. Water tightness, 3. Thermal insulation, 4. Sound insulation.
Good durability, easy to use and repair. Aluminum alloy doors and windows do not rust, fade, fall off, and require almost no maintenance. The service life of spare parts is extremely long. The decorative effect is elegant. The surface of aluminum alloy doors and windows is coated with artificial oxide film and colored to form a composite film layer. This composite film is not only corrosion-resistant, wear-resistant, and has a certain degree of fire resistance, but also has extremely high glossiness. Aluminum alloy doors and windows, due to their light weight, precise processing and assembly, are easy to open and close with flexibility and no noise. In line with the trend of modern people's pursuit of elegant style in decoration.