China Railway Construction Corporation Limited, together with its subsidiaries, engages in the construction business in Mainland China and internationally. It operates through five segments: Construction Operations; Planning, Design and Consultancy Operations; Manufacturing Operations; Real Estate Development Operations; and Other Business Operations. The Construction Operations segment engages in the construction of infrastructure, such as railways, highways, rail transits, water conservancy and hydropower, housing construction, municipal engineering, bridges, tunnels, airports, and wharves. The Planning, Design and Consultancy Operations segment provides planning, design, and consultancy services for civil engineering and infrastructure construction projects, such as railways, highways, urban rail transport, etc.