With the rapid development of China's construction industry and the continuous improvement of people's living standards, the aluminum alloy doors and Windows curtain wall, as an important organic part of the building, has been widely recognized by people.According to statistics, China's completion of Windows and doors curtain wall area every year in more than 15 million square meters, the specifications of the products, variety is also increasing, level enhances unceasingly, the technical content gradually strengthened, it should be said that the Windows and doors curtain wall industry brought new meteorological to construction.Reviews the development of aluminum Windows and doors curtain wall, it is not hard to find, first of all, aluminum Windows and doors curtain wall is actually an extension of aluminum and the aluminum extrusion products products, at present our country most of the aluminum factory directly into the production of aluminum Windows and doors curtain wall area, through the phasing out of the market, some enterprises become the main aluminum Windows and doors