About the decoration of the owners of the community, 1520 aluminum not only need to decorate cost-effective and must be beautiful. Nowadays, most of the Windows are all selected aluminum alloy profile doors and Windows, but the cause and effect of the long-term wind gently blowing sun, aluminum alloy profile doors and Windows are very simple rust, which requires the decoration community owners carefully select aluminum doors and Windows. If you want to choose cost-effective aluminum doors and Windows, we must understand the operation method of aluminum doors and Windows and the cause of rust. The doors and Windows of the building not only have the effect of natural ventilation, light, wind and rain, but also are the most important storefront of the building, showing the characteristics of the building, showing the characteristics of the architectural designer. Since the iron doors and Windows "unemployment" to the back, doors and Windows with its good hardness, lighter weight, not easy to "rust", suffer from customer love. But during the latter, the "rust" problem of aluminum doors and Windows has made architectural designers and community owners a big headache, 5005 aluminum beryllium copper with a unique business building, and even without entering the gang aluminum doors and Windows on the basic "rust" and even harm the appearance of the building.