The company is 50.19% owned by Haikou Meilan International Airport Co., Ltd. (Chinese: 海口美兰国际机场有限责任公司), a company related to Hainan Airlines, Grand China Air, HNA Infrastructure Investment Group, HNA Group, Hainan Provincial People's Government [zh] and China Development Bank.

[3] On 9 July 2018, it was approved by the extraordinary general meeting that the company would renamed to Regal International Airport Group Co., Ltd. (Chinese: 瑞港国际机场集团股份有限公司).

[4] As at 13 October 2016, the shareholders of Haikou Meilan International Airport were HNA Airport Group, an indirect subsidiary of HNA Infrastructure Investment Group[6][7] (19.58%), state-owned bank China Development Bank (18.88%), state-owned company Hainan Development Holdings (16.65%), a private company (Chinese: 海南航辉农业开发) (14.99%), a subsidiary of HNA Group (Chinese: 海南航旅交通服务) (11.9%), listed company Hainan Airlines (7.88%), another private company based in Yangpu (Chinese: 洋浦联海工贸) (4.78%), listed company China Southern Airlines (3.21%) and China National Aviation Fuel Supply (Chinese: 中国航空油料) a joint venture of China National Aviation Fuel Group, Sinopec Marketing and PetroChina Marketing (2.08%).

[8] Haikou Meilan International Airport Co., Ltd. itself owned 7.08% shares of Hainan Airlines as the third largest shareholder as cross ownership.

[11] (Haikou Meilan International Airport owned 8.30% stake of Grand China Air as the fourth largest shareholder) HNA Group owned 4.88% shares of Hainan Airlines directly and an additional 4.25% held by subsidiary Changjiang Leasing;[10] the largest shareholder of Grand China Air was Hainan Development Holdings for 24.97% stake.