Break aluminum doors and windows of better quality brands are: Ma Bailey, Mercer, Mori Eagle, Xu Ge, Becklow, YKK, Ou Zhe, Royal, Hennessy. Quality aluminum alloy doors and windows are the perfect organic combination of performance systems. To be based on climate change, climate change, climate change, climate change, comprehensive consideration of watertightness, airtightness, wind pressure resistance, mechanical strength, heat insulation, sound insulation, anti-theft, sunshade, weathering, operation feel and a series of important functions, as well as equipment, profiles, fittings, glass, adhesives, seals, and other performance of the integrated results of the lack of one. Most people think that when buying high-quality doors and windows, just pay attention to the quality of the obvious parts of the doors and windows, such as aluminum, glass, accessories, etc.. , but they simply do not understand some of the professional performance requirements of doors and windows, more important to product quality, cost-effective and other factors. In the initial consumer ideology, high-quality doors and windows are equal to high-performance doors and windows.