USAS Building System (Shanghai) Co., Ltd. is a leading provider of integrated prefabricated steel structure building (PS building) subcontracting services, specializing in the industrial sector across China and international markets. Founded in 1999 and headquartered in Songjiang, Shanghai, the company delivers comprehensive solutions encompassing project design and optimization, procurement, production, on-site installation, and quality assurance. It operates through three key segments: PS building subcontracting services, general contracting for PS and PC building projects—which includes lifecycle management, construction, quality control, scheduling, safety, and budget oversight—and industrial environmental equipment featuring customized intake, exhaust, dust filtration, and noise reduction systems for gas turbines. Serving diverse industries such as automotive, machinery, food and beverage, textiles, pharmaceuticals, building materials, and commercial construction, USAS Building System holds a notable position, ranking third in China's industrial PS building market by 2024 revenue with a 3.5% share. With approximately 692 employees and CEO Lezhong Zhu at the helm, the company supports efficient, prefabricated construction solutions globally, including Southeast Asia, the United States, and Australia.