Introducing our revolutionary Fireproof/Waterproof Rock Wool Manufacturer Sandwich Panel for the Roof and Wall! As a factory, we pride ourselves on producing only the highest quality products. Our sandwich panel consists of two layers of metal sheets and a rock wool core which has been treated with fire and water-resistant materials. This panel offers exceptional thermal insulation, noise reduction, and energy saving capabilities. It is easy to install and maintain, making it the perfect choice for any commercial or residential project. Trust our factory to provide you with the best rock wool panels available in the market today!