China Railway Construction Corporation Limited is an integrated construction company. It operates in four segments. The construction operations segment engages in the construction of infrastructures, such as railways, highways, bridges, tunnels, metropolitan railways, airports and ports, water conservancy and hydropower facilities, real estate and municipal projects. The survey, design and consultancy operations segment engages in the provision of survey, design and consultancy services, as well as technology and equipment research and development services, for the construction of railways, highways, metropolitan railways, bridges, tunnels, municipal and power projects, airports and ports. The manufacturing operations segment engages in the design, research and development, production and sale of maintenance machinery, as well as the manufacturing of components for railway construction. The other business operations segment comprises real estate development and logistics businesses.