China appointed a new trade negotiator Wednesday in the midst of its tariff fight with the U.S. The government said Li Chenggang replaces Wang Shouwen, who participated in negotiations for the 2020 trade deal between the China and the U.

China reportedly asked its airlines to halt Boeing orders, which has put the aircraft manufacturer in the middle of the U.S.’s trade war with China. Boeing, a major U.S. company, relies heavily on international orders,