China Communications Construction Co Ltd (CCCC) is an infrastructure development company. It provides design and construction services for transportation infrastructure. The company carries out dredging and heavy machinery manufacturing business. CCCC constructs and designs ports, terminals, roads, bridges, railways, and tunnels. The company also offers capital dredging and reclamation dredging, container crane, heavy marine machinery, large steel structure and road machinery manufacturing, and import and export trading services.

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CCCC focuses on technological innovation and strengthens efforts to achieve breakthrough in core technologies. It has established platforms for research and development, including 15 post-doctoral and four academician research centers, and has systematically nurtured a pool of scientific experts and a professional innovation team by capitalizing on 156 innovation platforms. The company has developed strategic high-end equipment and applies advanced technologies such as BIM, Beidou satellite, and remote sensing. CCCC has received 40 National Science and Technology Advancement Awards, five National Technological Invention Awards, 126 Luban Awards, 362 National Quality Project Awards, 105 Zhan Tianyou Awards, two Chinese Golden Patent Awards and 33 Chinese Outstanding Patent Awards. In FY2022, the company reported capital expenditure of CNY38,704 million, which decreased 16.4% YoY.