China Railway Hi-tech Industry Corporation Limited manufactures infrastructure construction equipment worldwide. The company's principal products include railway turnout, bridge steel structure, shield machine, TBM, profiled shield machine, special construction machinery, and maglev and straddle rail transit turnouts and tracks. It also offers tunneling, urban transport, and environmental protection equipment. In addition, the company provides scientific research and design, manufacturing installation, construction, technology testing, and maintenance services. Its products and services are used for the railway, highway, municipal, water conservancy, urban rail transit, and other areas. The company was formerly known as China Railway Erju Co., Ltd. and changed its name to China Railway Hi-tech Industry Corporation Limited in January 2017. China Railway Hi-tech Industry Corporation Limited was founded in 1999 and is based in Beijing, China.