Sandwich panels is currently in a common building material products, not only can be a good fire-retardant insulation and environmentally efficient. Color steel sandwich panel has two layers of metal panels and middle polymer insulation core repression. Handan rock wool sandwich panel has easy to install, light weight and environmentally efficient. And closed-cell molecular structure filling system can prevent moisture condensation. Since the invention sandwich in the world, developed countries are widely used in various industrial and civil buildings, and is an excellent building material, such as a building's roof, wall, ceiling and other scaffold rockwool sandwich plates, sandwich panels have put virtually left behind the era of brick, with a light weight, high strength, thermal insulation, easy construction Jincheng rock wool sandwich panel, the surface does not have to be decorated, had reached the high-grade appearance. Today, the sandwich panels used in the building is on the rise year by year.