TPO (thermoplastic polyolefin) heat welding connection has the following advantages: First, it uses hot air welding technology to seamlessly melt and bond the TPO membranes to form a solid single-layer structure, avoiding the risk of water leakage. Second, the strength of the welded seam is higher than the material itself, ensuring long-lasting waterproof performance. In addition, the TPO material itself has good UV resistance, chemical corrosion resistance and weather resistance, suitable for use in various climatic conditions. Its welding process does not require adhesives, reduces chemical pollution, improves construction efficiency, and reduces maintenance costs.