China Railway Hi-tech Industry Corporation Limited manufactures and sells infrastructure construction equipment worldwide. The company offers bridge steel structures, shield machine, TBM, profiled shield machine, large special construction machinery, series maglev, and straddle rail transit turnouts and tracks. It also engages in the manufacturing and installing of steel structure products; and researches and manufactures railway turnouts, such as turnout, rail, fastening system, fish plate, sleeper, point machine, etc. In addition, the company offers tunnel equipment, including TBM products, special shape tunneling products, pipe jacking machines, road headers, drill jumbo, and wet shotcrete machines; railway and highway construction machinery, and marine, harbour, and mines engineering machinery; suspended and straddled monorail transit system; technology testing services; and survey, design, consultancy, construction, and operation and maintenance services, as well as tracks and turnouts production, and design and manufacturing of cars and stations. Further, it is involved in water environment treatment; solid waste disposal; soil remediation; equipment research, development, and manufacturing; provision of energy saving services; environmental protection; pharmaceutical production; medical waste hazardous waste disposal; and renewable resources recycling and other fields. Its products and services are used for the railway, highway, municipal, urban rail transit, water conservancy and other sectors. 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.