What are the subordinate units of Gezhouba Group?

In addition to the subsidiary written by War of Resistance against Japanese Aggression for the nth time, Gezhouba Group also has the following branches: Three Gorges Branch, Southwest Branch, Cement Branch, Hydropower Management Branch, Northwest Branch, Shenzhen Branch, Institute of Surveying and Mapping Engineering, Iranian Branch, Libyan Branch (managed by an international company), UAE Branch (managed by an international company), Zhuhai Branch (managed by a second company) and Surveying and Mapping Instrument Verification Center (managed by Institute of Surveying and Mapping Engineering). Automobile Team of Cement Branch (managed by Cement Branch), Airport Construction Company (managed by one company), Xinjiang Branch (managed by one company), Tianjin Branch (managed by one company), Water Supply Company (managed by one company), Fujian Branch (managed by five companies), Hong Kong Construction Branch (managed by six companies), Urban Construction and Development Company (managed by six companies), Dongguan Branch (managed by six companies) and Guangdong Branch. Environmental protection municipal engineering company (managed by electric power company), material company (managed by Three Gorges Industrial Company), survey and design institute, planning and design institute (managed by Haiji Real Estate Company) and engineering supervision center (managed by supervision company).