After adding the anti-corrosion layer, Himei waterproof tiles have excellent corrosion resistance, making them particularly suitable for various types of factory roofs. For example, it performs particularly well in chemical plants, food processing plants and factories in coastal areas. These factory environments are often accompanied by factors such as high humidity, corrosive gases or salt spray, which can easily cause corrosion to roofing materials. The anti-corrosion layer effectively extends the service life of the tiles, reduces maintenance costs, and ensures that the factory roofs still maintain long-term protective performance in harsh environments.