The main effect of noise walls also refers to activities within the sound barrier wall metal louvers recording studio used occasionally, usually on one side of sound-absorbing material, the other side of the insulation and reflective material. Its role is to reduce crosstalk within the studio each source of railway noise barrier, or the use of sound-absorbing panels on both sides of the different characteristics of the sound barrier, adjust the audio quality. It features a large noise: Average sound insulation 36dB. (Conditions absorbing cotton 48K, thick high 500 × 80 × length 2970) 2 absorption coefficient is high: the average absorption coefficient 0.83. (Conditions absorbing cotton 48K, thick 80 × 500 × length 2970 high) 3 Weather Durability: water resistance, heat resistance, UV, temperature changes caused by rain will not degrade performance or quality anomalies. Products using aluminum coil, galvanized coil, glass wool, H steel column surface galvanized anti-corrosion life of more than 15 years. Metal blinds sound barrier _ Rosenthal screen (certified) _ the sound barrier by Rosenthal Anping wire mesh factory. Anping screen factory Rosenthal (www.apsentai.com) Hebei Hengshui, Fence, bar, network leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Rosenthal screen in leadership with the staff warmly welcome all inquiries negotiations to create a better future Rosenthal screen.