China Railway Twenty-two Bureau Group Co., Ltd. was established in March 2004. It was formerly known as China Railway Engineering Group Co., Ltd. and was established in July 1998. The company is headquartered in Beijing with a registered capital of 1.057 billion yuan. It is a wholly-owned subsidiary of China Railway Construction Corporation. The company administers 10 subsidiaries and several directly-affiliated projects. The company has railway engineering construction contracting special grade, railway industry grade A (II) design, construction project construction general contracting special grade, construction industry grade A design, municipal public construction project general contracting special grade, municipal industry grade A design qualification, highway engineering, water conservancy The general contracting for construction of hydropower projects is grade one, the general contracting for construction of mines is grade one, the contractors for steel structures, bridges, tunnels and highways are professionally graded one, the grade A qualifications for geological disasters engineering construction, and qualifications for foreign contracting projects of the Ministry of Commerce. The business scope covers railway, municipal, industrial and civil residential projects, real estate development and management, property management, subways, roads, docks, airports, ports, tunnels, bridges, water conservancy, electricity, postal telecommunications, cargo storage services, contracting overseas railways, Highway engineering and domestic international bidding projects, engineering testing and testing services and other fields.