China Railway Hi-tech Industry Corporation Limited manufactures and sells infrastructure construction equipment internationally. 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 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 provides tunnel equipment, including TBM products, tunneling equipment products, rock drill jumbo, and wet shotcrete machines; research, design, and manufacturing of equipment for railway, highway, bridge, urban rail transit, tunnel, port, station yard, municipal construction, marine engineering and energy source exploitation, the civil engineering, and technical testing and state supervisory; and operation, maintenance, 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. 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.