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 Sound-absorbing material has a strong absorption of sound to reduce the noise properties of the material. By the porous film effect or resonance effect but can be made with the incident sound absorption materials, one of the components of the ultrasonic examination equipment. Sound-absorbing material to impedance matching with the acoustic characteristics of the surrounding sound transmission medium, so that the sound without reflection into the sound-absorbing material, and the incident sound energy most absorbed. 136-3228-2672 Miss Sun 
 KTV entertainment, music bars, movie theaters, opera houses, auditoriums, conference rooms, lecture halls, stadiums, road tunnels, railway stations, subway stations, airports, hotels, equipment rooms and other places of the different environmental requirements to provide high-performance acoustic sound absorption, sound insulation, noise reduction, the proliferation of materials and technical support. 
 Sound, PhD, is a company founded in Hong Kong, dedicated to the application of electro-acoustic technology, building sound technology and product development. Company specializing in the production and marketing of acoustic panels, insulation boards, wooden sound-absorbing panels, soft cloth package sound-absorbing board, soft leather package sound-absorbing board, ceramic honeycomb acoustic panels, two-dimensional diffusers, acoustic diffuser, portable installation absorber, damping, noise barriers, products of metal damping insulation blankets. 
 Enterprises have established a number of cities in the Mainland acoustic technology product development, production and sales organizations. Full range of close to provide acoustic consulting, acoustical design, noise control and product distribution services. Developed the production of the eight series of acoustical materials are a large number of inorganic raw materials, at the same time ensure the acoustic characteristics and aesthetic requirements, but also greatly improve the fire safety of the product, moisture, mildew, anti-deformation, high temperature performance. The full range of products through the fire of Quality Supervision, inspection, identified by the Acoustics Laboratory, Tsinghua University series of acoustic data detection. KTV entertainment, music bars, movie theaters, opera houses, auditoriums, conference rooms, lecture halls, stadiums, road tunnels, railway stations, subway stations, airports, hotels, equipment rooms and other places of the different environmental requirements to provide high-performance acoustic sound absorption, sound insulation , noise reduction, the proliferation of materials and technical support. 136-3228-2672 Miss Sun 
 Supply the Office of the Changsha conference room sound-absorbing board case recording room sound-absorbing panels color card audiovisual sound-absorbing board price sound-absorbing board picture