The fire-retardant sound-absorbing board is made of fire-resistant MDF-B1 grade substrate according to the principle of acoustics. It has the decorative effect of the wood decoration itself and good sound absorption performance. Compared with other sound absorbing products, it is unique, and it is the medium and high-grade interior decoration material that is the first choice used at home and abroad. Material and color according to customer needs, there are cherry wood, Sapele, maple, black (red) walnut, red and white shadow, red and white glutinous rice, Mai Goli, Thai pomelo, etc., the variety has slotted porous type, D small Eye style, combination type and other styles are available. The fireproof wood hanging board is made of exquisitely processed fireproof MDF-B1 grade substrate according to the acoustic principle. Fire rating B1. It is a flame retardant material. The product has the characteristics of light material, constant type, high strength, beautiful appearance, elegant color, good decorative effect, strong three-dimensional effect and easy assembly. It is suitable for places that require wood decoration and warmth effects as well as sound absorption requirements. Such as: theater, concert hall, gymnasium, bowling alley, conference center, lecture hall, multi-purpose hall, exhibition hall, court, court, studio, film and television hall, waiting room (car) room, hospital, school, computer room, art Indoor ceilings and interior wall decorations for public buildings such as pavilions, hotels, and libraries to improve sound quality and improve speech intelligibility.