CRCC High-Tech Equipment Corporation Limited engages in the research, development, manufacture, and sale of large railway track maintenance machinery in Mainland China and internationally. Its railway track maintenance machines include tamping machines; ballast cleaning machines; stabilization machines; ballast regulators; materials logistics machines; and rail processing machines; as well as other machines, such as catenary inspection and maintenance machines, catenary installation machines, and other large railway track maintenance machines. The company manufactures, purchases, and sells various parts and components comprising bogies, electrical control systems, working devices, wheelsets, transmissions, pumps, valves, motors, and drive shafts. It also provides overhaul services, including repairs, upgradation, and remanufacturing services; and railway lines maintenance services for newly built and existing railway lines. The company was formerly known as Kunming China Railway Large Maintenance Machinery Group Co., Ltd. and changed its name to CRCC High-Tech Equipment Corporation Limited in June 2015. The company was founded in 1954 and is headquartered in Kunming, China. CRCC High-Tech Equipment Corporation Limited is a subsidiary of China Railway Construction Corporation Limited.