Silvery Dragon Prestressed Materials Company Limited Tianjin ("Silvery Dragon Co., Ltd") is a Shanghai Stock Exchange listed company with over 40 years of development history. Stock abbreviation is Silvery Dragon Co., Ltd., stock code is 603969. Silvery Dragon adhering to the spirit of innovative craftsmanship, focus on the research and development and manufacturing of high-performance prestressed materials, prestressed concrete components, automation equipment, precision metal large components, engineering management informatization and monitoring systems, serving domestic and foreign rail transit, highways, railways, water conservancy, new energy, construction and other fields. Silvery Dragon also participate in investment in precision cutting tools, new energy generation and other projects.