China Railway Group Limited, together with its subsidiaries, operates as a multi-functional integrated construction company in Mainland China and internationally. It operates through Infrastructure Construction; Survey, Design and Consulting Services; Engineering Equipment and Component Manufacturing; Property Development; and Other Businesses. The Infrastructure Construction segment constructs railways, highways, bridges, tunnels, buildings, irrigation works, hydroelectricity projects, ports, docks, airports, other municipal works, and metropolitan railways, including subways and light railways. The Design and Consulting Services segment provides survey, design, consulting, research and development, feasibility study, and compliance certification services to infrastructure construction projects. The Equipment and Manufacturing segment designs, researches, develops, manufactures, and sells turnouts, bridge steel structures, other railway-related equipment, engineering equipment, component manufacturing, and materials. The Property Development segment develops, manages, and sells residential and commercial properties. The Other Businesses segment is involved in mining, financial, and operation of service concession arrangements, merchandise trading, and other ancillary businesses. It provides asset management, financial trust management, talent information network, research, design and construction of water conservancy and hydropower, and software and information technology services. The company was founded in 1950 and is based in Kwun Tong, Hong Kong.