1, light weight, strong and durable. Aluminum alloy doors and Windows are about 50% lighter than steel doors and Windows; Corrosion resistance than wood doors and Windows, not easy to decay, its oxidation coloring layer does not fall off, do not fade, durable.  

2, good sealing performance. Aluminum alloy doors and Windows of high air tightness, water tightness and sound insulation are better than wood doors and steel doors and Windows.  

3, bright and beautiful color. the frame material of aluminum alloy doors and Windows, after ammonification coloring treatment, can be silver, bronze, dark red and other colors, and can be on the color pattern. the aluminum ALLOY doors and Windows made of it have beautiful appearance, smooth surface, bright color and firm, and enhance the decorative effect of the interior and exterior facade.