China Railway Chang'an Heavy Industry Co., Ltd., a subsidiary of China Railway 20th Bureau Group (CR20G) under China Railway Construction Corporation (CRCC), the company specializes in green equipment manufacturing, steel structure solutions, and the expansion of strategic emerging businesses. It is recognized as a pioneer in CRCC's new business tracks. With over six decades of experience in the manufacturing industry, the company has consistently placed technological innovation at the core of its corporate development strategy. Its main business activities include R&D and manufacturing of high-end equipment such as new energy machinery, tunnel boring equipment, and special-purpose heavy vehicles; design, fabrication, and installation of steel structures.Overseas services and the development of innovative emerging business segments. The company has a registered capital of RMB 260 million and a dedicated workforce of 800 employees, including 450 technical specialists. Its production base in Yanliang District, Xi'an, covers an area of 303 mu (approximately 50 acres) and features nearly 100,000 square meters of modern workshops equipped with 70 major units of heavy machinery.