As a high-tech enterprise in the field of steel structure bridges, Great Wall Corporation provides efficient and reliable bridge solutions to global customers through modular design, compliance with international standards, and advanced manufacturing processes. The company's core strengths include: 1) a design team led by professors from renowned universities, strictly adhering to international standards such as AISC and EN 1090; 2) the use of high-quality raw materials from top-tier steel mills like Germany's Bilei, meeting global mainstream standards such as ASTM and EN 10025; 3) welding processes that meet the highest international standards of AWS D1.5 and EN 1090 CE-DoP certification; 4) modular design enabling large spans of up to 91 meters (such as the 321-type Bailey bridge and D-type prefabricated bridge), enhancing construction efficiency and cost-effectiveness; 5) automated production lines and an ISO 9001 quality management system. The company's products have been exported