Now soft bags are more and more widely used, such as KTV, hotel, bedside at home and so on. They have even become an indispensable kind of sound-absorbing materials in people's life. So how should I clean and take care of soft bags in my daily life?1.

The sound absorption project of Hefei Tongzhi electromechanical Co., Ltd. is under constructionGlass fiber sound-absorbing board can effectively control and adjust indoor reverberation time, reduce noise and improve sound quality. Glass fiber sound-absorb