China Communications No.1 Navigation Bureau No.1 Engineering Co., Ltd. (No.1 Company)
China Communications No.1 Navigation Bureau No.2 Engineering Co., Ltd. (2 nd Company)
China Communications No.1 Navigation Bureau No.3 Engineering Co., Ltd. (the third company)
China Communications No.1 Navigation Bureau No.4 Engineering Co., Ltd. (four companies)
China Communications No.1 Navigation Bureau No.5 Engineering Co., Ltd. (No.5 Company)
Zhong jiao yi hang ju installing engineering co., ltd
Zhong jiao yi hang ju city traffic engineering co., ltd
Zhong jiao yi hang ju real estate development co., ltd
Zhongjiao Tianjin Harbor Engineering Research Institute Co., Ltd.
Zhong jiao Tian Jin wan engineering design institute co., ltd
Li Hang industry co., ltd
Da Zhenhua haiwan engineering development co., ltd
Zhongjiao Tianjin industry & trade co., ltd
Binhai boulevard engineering project management co., ltd. Tianjin Lingang industry investment holding co., ltd
Tianjin port engineering co., ltd. cccc international shipping co., ltd.
Dalian yihang bay construction co., ltd
Tianjin coastal zone engineering co., ltd. general contracting engineering branch
Railway engineering division
South China branch
Shanghai branch
Fujian branch