1.CCCC Dredging Group was established in May 20 15. It is a specialized sub-group established by China Communications Construction Corporation through institutional integration and reorganization, and it is also the largest dredging group in the world at present. It has six substantive subsidiaries, including Tianhang Bureau, Shanghai Airlines Bureau, Broadcasting Bureau, CCCC Marine Supervision Bureau, CCCC Environmental Protection Bureau and Hong Kong Maritime Safety Administration.
2. Tianhang Bureau is located in Building 9, Yuejin Road Shipping Service Center, Tianjin Port Bonded Zone. Shanghang Bureau is located in Huangpu District, Shanghai and Changle District, Guangzhou. CCCC Marine Supervision is located in the west area of Beitang Enterprise Headquarters, Tianjin Economic and Technological Development Zone. CCCC Environmental Protection is located in Yantai City, Shandong Province, and Ganghai Maritime Affairs is located in Zhoushan City, Zhejiang Province. None of the six subsidiaries is in Hefei.