Hubei Branch of China Southern Airlines Co., Ltd.: the second-tier subsidiary of China Southern Airlines Group Co., Ltd., with the official department level.
China Southern Airlines Group Co., Ltd. Technology Branch is a wholly-owned subsidiary of China Southern Airlines Group, which is mainly responsible for maintenance and technical support. China Southern Technology Branch belongs to the company level, but within the company, there are three levels of organizational structure: headquarters, departments and branches, and each level has different levels of positions and division of labor.