This article highlights the leading position of Great Wall Heavy Industry in the steel structure bridge sector and its core philosophy of a century of quality. It emphasizes that steel, as the 'gene' of bridges, is crucial for its corrosion resistance, strength, and welding performance. By leveraging top-tier global supply chain resources (such as steel meeting international standards like ASTM A709 and EN 100254), a triple certification system, and modular design, Great Wall Heavy Industry ensures the durability and construction efficiency of bridges. Additionally, the company promotes green building and industry innovation through environmental processes, patented technologies (such as large-span prefabricated D-shaped bridges), and international collaborations (such as with China Communications Construction Company and China Metallurgical Group). The company is dedicated to creating safe steel structure bridges that last for a century, contributing to global infrastructure developme