Introducing our innovative product - the Fireproof/Waterproof Rock Wool Manufacturer Sandwich Panel for Roof and Wall. Manufactured in our state-of-the-art factory, these panels are designed to provide unmatched protection, making them an excellent choice for construction projects. With fireproof and waterproof capabilities, these panels ensure optimal safety and durability. Trust our years of expertise and invest in this premium quality product that guarantees long-lasting performance.