Mineral wool board ceiling system composed by mineral wool board and T-Grid, the excellent characteristics is the very good sound absorption and heat insulation effects. Mineral wool board can sound insulation, heat insulation, fire prevention, any products do not contain asbestos, harmless to the human body, and have the function of subsidence. With the T-Grid for a ceiling system have adornment, sound-absorbing, heat preservation, adiabatic, fire prevention, light, etc functions