Hainan Airlines will take on a greater role as HNA’s Chinese mainland long-haul specialist while also building up at Shenzhen to create a second main base for intercontinental services. In contrast with the group’s fragmented intercontinental activity among various subsidiaries over the past few years, future long-haul routes will routinely be opened by Hainan Airlines, industry sources say.  Accordingly, Airbus A350s ordered or leased for HNA subsidiaries Capital Airlines ...