Title: Application and development of aluminum alloy profiles Body text: Aluminum alloy profiles, refers to aluminum alloy as the main raw material, through extrusion, stretching and other processes made of various cross-section profiles. Aluminum alloy profiles have the advantages of light weight, high strength, corrosion resistance and easy processing, so they have been widely used in many fields. In the field of architecture, aluminum alloy profiles are widely used in doors and Windows, curtain walls, interior decoration and so on. Due to its advantages of light weight, high strength, corrosion resistance and easy processing, the building is more beautiful, energy-saving and safe. In the field of transportation, aluminum alloy profiles are widely used in automobiles, ships, rail transit and so on. Its advantages of light weight, high strength and corrosion resistance can effectively reduce the weight of the vehicle and improve its performance and fuel efficiency. In the field of mechanical manufacturing, aluminum alloy profiles are widely used in the manufacture of various machinery and equipment. Its advantages of high strength, corrosion resistance and easy processing can improve the performance and service life of the equipment. In the field of power electronics, aluminum alloy profiles are widely used in radiators, chassis, cabinets and so on. Its advantages of light weight, high strength and corrosion resistance can improve the heat dissipation performance and service life of the equipment. In recent years, with the rapid development of China's economy and the progress of science and technology, the aluminum alloy profile industry has also developed rapidly. Market demand continues to grow, production capacity continues to expand, and the level of technology continues to improve. It is expected that in the next few years, China's aluminum alloy profile industry will continue to maintain rapid growth, and market demand will further expand. In general, aluminum alloy profiles with its unique properties and advantages have been widely used in various fields, and with the rapid development of China's economy and the progress of science and technology, its market demand will be further expanded.