China Communications Dredging Group has several subsidiaries.

China Communications Dredging Group has 6 subsidiaries. China Communications Dredging Group is a specialized sub-group established by China Communications Construction Co., Ltd. and the largest dredging group in the world at present. At present, it has six entity subsidiaries: Tianhang Bureau, Shanghai Airlines Bureau, Radio and Television Bureau, CCCC Maritime Supervision, CCCC Environmental Protection, and Ganghai Maritime Affairs.