"They will need this for their long-haul flights," Li Xiaolu, a Shanghai-based analyst with Capital Securities, told Bloomberg News. "Because the deliveries are stretched over the next 10 years or so, this order isn’t as aggressive as it looks."
Hainan currently has 500 domestic and international routes reaching almost 90 destinations, including Paris, Brussels, Berlin and Moscow, according to its website.
It now plans to start services to Tel Aviv from Beijing, and to the U.S. cities of Boston and Seattle from Shanghai, according to Bloomberg News.
The airline's net profit rose 20.04% year-on-year to 2.59 billion yuan in 2014, according to a separate statement on Thursday.
Hainan Airlines was down 3.74% in afternoon trading Thursday.
On Saturday, Hainan Airlines completed China's first commercial flight using biofuel with a Boeing 737 plane.
China is a key market for Boeing, which estimates the country will need 6,020 planes worth $870 billion through 2033.
Copyright Agence France-Presse, 2015