China Communications Construction Group Co., Ltd., with the brand name of CCCC, is mainly engaged in the investment, design, construction and operation of transportation and urban infrastructure such as roads, water transportation, railways, and airports. It is the world's largest port design and construction enterprise, the world's leading highway and bridge design and construction enterprise, the world's leading dredging enterprise, and the world's largest container crane manufacturer. As the largest international engineering contracting enterprise in Asia.