China Road and Bridge Corporation (CRBC), a subsidiary of China Communications Construction Company (CCCC), is a Chinese state-owned construction and engineering firm that focuses on global infrastructure projects such as highways, skyways, railways, bridges, ports, and tunnels. Growing out of the Foreign Aid Office of the Ministry of Communications of China, CRBC and its predecessors have been executing projects since 1958. In 1979, CRBC was formally established and entered the international contracting market. The partner entity, CCCC, was formed through the combination of CRBC and China Harbour Engineering Company Ltd (CHEC) in 2005.