By virtue of its sandwich irreplaceable material, widely used in addition to the above-described construction sector, the price fireproof rock wool board, people also give full play to its characteristics, it is applied to a wider area, such as within the ship's wall , refrigerator, highway noise walls and so on. As technology advances and people's work and life needs to replace old ones, in order to better adapt to the needs of people in the new layers of building materials industry create more space sandwich since the invention, the developed countries in the world economy widely used in various industrial and civil buildings, and is an excellent building material, fire rock wool board how much money, such as a building's roof, wall, ceiling, etc., fire rock wool board, in fact, color-coated steel sandwich board has already left behind the era of brick, with a light weight, high strength, thermal insulation, easy construction, the surface does not have to be decorated, had reached a high-grade appearance. Today, the sandwich panels used in the building is on the rise year by year.