China-based HNA Group sold 850 Third Ave. in a $422 million deal. : (Bloomberg)—HNA Group Co. sold a building in Manhattan to help ease the embattled conglomerate’s debts and stave off U.S. concerns about a Chinese company owning property near Trump Tower. HNA completed the sale of 850 Third Ave., the group said in a statement, without providing details. Bisnow reported earlier that investor and real estate developer Jacob Chetrit and his sons bought the tower in a $422 million transaction that resulted in a loss for HNA.