It is mainly engaged in the research and development,production and service of bridge bearing,swivel spherical hinge,bridge expansion and contraction installation,and bridge isolation device.The products are widely used in railway bridges,highway bridges,municipal bridges,urban rail transit bridges and other projects.　　It independently develops the high bearing and totally enclosed spherical bridge bearing product line,and has successively developed the railway continuous beam bridge spherical bearings,railway simple-supported beam bridge spherical bearings,hinged shaft sliding bearings,tension and compression bearings,windresistant bearings,hyperboloidal spherical isolation bearings,damping tenons,swivel spherical hinges,bridge expansion and contraction installation and other products.　　It has the national production license for industrial products,CRCC railway product certificate,CE certificate,contracting qualification for bridge’s special engineering and safety production license,and has 2 national key new products and more than 30 patents.　　The bridge bearing products have won the honor of national hitech industrialization demonstration project,the first prize in CSIC Scientific and Technological Progress Award,the second prize in Shanghai Scientific and Technological Progress Award,the third prize in Henan Scientific and Technological Progress Award,etc.,and are named"Brand-name Products in the Transportation Industry"and"Brand-name products in Henan Province".