TPO composite steel plate has multiple advantages. First, it combines the excellent waterproof performance of TPO (thermoplastic polyolefin) and the strength of steel plate, ensuring waterproof effect and structural stability. Secondly, TPO material has good weather resistance, chemical corrosion resistance and UV resistance, suitable for use in various climatic conditions, especially in chemical plants, food processing plants and other environments. The lightweight design of composite steel plate is easy to install, reduces building loads, and has low maintenance costs. It has a long service life and improves the overall durability and energy efficiency of the building.