Regal International Airport Group Co., Ltd. is a Chinese listed company based in Meilan Airport, Haikou. The company is 50.19% owned by Haikou Meilan International Airport Co., Ltd., a company related to Hainan Airlines, Grand China Air, HNA Infrastructure Investment Group, HNA Group, Hainan Provincial People's Government and China Development Bank. Regal International Airport Group was formerly known as HNA Infrastructure Co., Ltd. and Hainan Meilan Airport Co., Ltd. HNA Infrastructure is the operator of Haikou Meilan International Airport. Wikipedia