Where do Hainan Airlines, China Southern Airlines and China Eastern Airlines have branches?

HNA has successively established six aviation operation bases in Beijing, Xi, Taiyuan, Urumqi, Guangzhou and Lanzhou.

China Southern Airlines has branches in Xinjiang, North China, Beijing, Shenzhen, Hainan, Heilongjiang, Jilin, Dalian, Henan, Hubei, Hunan, Guangxi and Zhuhai, and four holding subsidiaries in Xiamen, Shantou, Guizhou and Zhuhai.

China Eastern Airlines has Yunnan, Hebei, Shandong, Northwest China, Jiangsu, Ningbo, Gansu, Anhui, Beijing and Wuhan.