The so-called sound-absorbing board refers to a plate-shaped material with sound absorption and noise reduction effect. According to the material classification, there are mainly: metal sound-absorbing panels, wooden sound-absorbing panels, mineral wool sound-absorbing panels, fabric sound-absorbing panels, polyester fiber sound-absorbing panels, ceramic aluminum decorative sound-absorbing panels, etc. The application of sound-absorbing panels is quite extensive, mainly used in concert halls, theaters, recording studios, studios, monitoring rooms, conference rooms, gymnasiums, exhibition halls, dance halls, KTV rooms, home theaters, laboratories, computer rooms, etc. Highly demanding places.