According to the inspection of the Labor Protection Research Office, the noise in the room using the uPVC Profiles window is reduced to 32DB (A), and the actual effect is excellent. With the development trend of economic development, the problem of urban noise is becoming more and more serious. The uPVC Profiles window has a great effect on improving the acoustic ecological environment in our daily life and work. In addition, uPVC Profiles windows are corrosion resistant and can be used in coastal areas, pharmaceutical plants and other aggressive environments.