Ornamental mineral-wool acoustic board, produced by the Beijing Building Materials General Factory, is a superior material for ceilings and mainly used for interior decoration in hotels, restaurants, theaters, departm...Ornamental mineral-wool acoustic board, produced by the Beijing Building Materials General Factory, is a superior material for ceilings and mainly used for interior decoration in hotels, restaurants, theaters, department stores, conference rooms, studios, computer rooms and industrial buildings. The board can help control and adjust reverberation time, improve展开更多
文摘Ornamental mineral-wool acoustic board, produced by the Beijing Building Materials General Factory, is a superior material for ceilings and mainly used for interior decoration in hotels, restaurants, theaters, department stores, conference rooms, studios, computer rooms and industrial buildings. The board can help control and adjust reverberation time, improve
