Wiskind uses professional-grade acoustic spectrum analysis instruments, according to the acoustic characteristics of materials, through precise acoustic measurement and full study of human hearing system, the introduction of Acous® sound absorption and insulation sandwich panel, when only used in large and medium-sized factory walls, can achieve indoor noise reduction of about 1/3, sound insulation increase by 100%, at the same time with good corrosion resistance and mechanical properties. Become the first choice for noise reduction in industrial buildings, protecting occupational health and safety.