What are the subordinate units of Nanning Rail Transit Group?

Nanning Rail Transit Group has 18 departments, 3 branches, 1 training center, 3 wholly-owned subsidiaries, 3 holding subsidiaries and 8 shareholding companies. According to relevant public information, the headquarters departments of the Group include general office, safety and quality supervision department, contract and regulation department, legal affairs department, resource management department, enterprise development department, financial management department, human resources department, information center, logistics service center, general office, unaudited project working group of investment and development company, audit department, work department of board of supervisors, work department of party and mass, trade union, youth league committee and discipline inspection and supervision department. Branches include construction branches, operation branches and resource development branches. The wholly-owned subsidiaries include Nanning Rail Real Estate Group Co., Ltd., Nanning Rail Transit Line 2 Construction Co., Ltd. and Nanning Rail Transit Line 5 Construction Co., Ltd. ... The holding subsidiaries include Nanning Rail Jiangnan Concrete Co., Ltd., Nanning Rail Transit Line 4 Construction Co., Ltd. and Nanning Rail Transit Line 2 Dongyan Engineering Construction Co., Ltd. The shareholding companies are: Nanning Rail Transit Line 3 Construction Co., Ltd., Nanning CRRC Rail Transit Equipment Co., Ltd., Nanning China Railway Guangfa Rail Transit Equipment Co., Ltd., Nanning Citizen Card Information Service Co., Ltd., Guangxi Nanning Airport Integrated Transportation Hub Construction Co., Ltd., Guangzhou Urban Rail Transit Training College Co., Ltd., Yunbaoda Big Data Industry Development Co., Ltd. and Guangxi Jiaokong Zhiwei Technology Development Co., Ltd.