Mineral wool board is one of the internal ceiling render layer falling decoration materials, which contains all abilities of ceiling materials. Take sound-absorption, incombustibility, insulation, decoration etc for example. It can be widely used in various constructional ceiling and the internal decoration of wall-adjacent layer, such as hotel, restaurant, theatre, market, office, radio studio, studio, computer house, industrial construction and so on. It can not only control and adjust the reverberation time, improve the ability of, put down the noise, but also make the life environment and labor condition better. In the same time, the incombustibility of it can meet the fireproof order of the architectural design.