Silvery Dragon Prestressed Materials Co.,LTD Tianjin, together with its subsidiaries, researches, develops, manufactures and sells prestressed steel products in China and internationally. The company offers prestressed materials comprising galvanized (aluminum) wires for bridge cables, PC strands for wind power concrete towers, prestressed galvanized (aluminum) strands for photovoltaic, unbonded galvanized strands for hydropower, strands for nuclear power plant safety shells and low temperature LNG/LPG, prestressing systems of high-speed railway track slabs, PC wires for railway sleepers and PCCP pipelines, and PC bars for t-shaped continuous beams. It also provides prestressed concrete products for track slabs; new energy materials products, such as prestressed flexible large-span suspension photovoltaic support systems, flexible photovoltaic support prestressed anchors, and flexible photovoltaic bracket side slopes; automation equipment; and precision steel molds for track slabs, sleepers, and pipe segments. In addition, the company offers project management information and intelligent monitoring systems, such as 3D displacement intelligent monitoring systems for construction engineering, seamless rail crawling monitoring systems, railway seamless rail stress release and locking construction management systems, concrete product production management systems for rail transit, PCCP water pipeline production management systems, and wind power concrete tower intelligent monitoring systems.