The aircraft were intended for subsidiary Hainan Airlines, which is increasingly carrying out long-haul flights from China.
With this order, HNA Group would like to strengthen the role of Hainan Airlines as a long haul specialist within the group.
Previously ordered or leased A350s by HNA Group for subsidiaries Capital Airlines and Tianjin Airlines will be transferred to Hainan Airlines.
It is also reported that the transfer of Boeing 787-8s from Hainan Airlines to Suparna Airlines was canceled.
Headquartered in Haikou, Hainan, Hainan Airlines is the largest civilian-run airline operator, and the fourth-largest airline in terms of fleet size in China.
based at Haikou Meilan International Airport and Beijing Capital International Airport, the HNA Group airline operates scheduled domestic and international flights to 118 Destinations in 26 Countries with 435 routes served.