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.