Baoyin Special Materials Technology Co.,Ltd.("Baoyin Special Materials")originated from Yixing Precision Steel Pipe Factory,established in 1991,and was jointly invested and constructed by Baowu Group,China Guangdong Nuclear Power Group,Huaneng Group,Jiangsu High-Tech Investment Group,Yixing Urban Construction Investment Group,and Yinhuang Group.

"Baoyin Special Materials"is a national high-tech enterprise specializing in the research and development and manufacturing of key tubes and related products for nuclear power,thermal power,petrochemical,and rail transit fields.It undertakes the research and development of several sub-projects of national science and technology major projects.It has domestically pioneered the national production of key materials such as a series of key tubes for supercritical and ultra-supercritical thermal power units and nuclear power-used 690 U-shaped tubes.It is the world's first high-end equipment manufacturing enterprise to successfully develop the heat-exchange components for high-temperature gas-cooled reactors in the fourth-generation nuclear power technology.The company has successively won many honors,including the Second Prize of National Technological Progress,the First Prize of China Industry-Academia-Research Innovation Results,the First Prize of Technological Progress in China Mechanical Industry,the Leading Enterprise of Key Materials for China Energy Equipment,the First Prize of Science and Technology in Jiangsu Province,and the First Prize of Science and Technology in Shanghai.It is a national demonstration unit for the industrialization of major national science and technology projects and a base for the national production of key materials for major national equipment.