The 90-seat aircraft took over the route between Hohhot Baita and Ulaanbaatar, Mongolia, on Tuesday. The domestic jet's fleet now stands at 166 aircraft
The 160-seat aircraft has been taking over the space of Western commercial jets such as the Airbus A320 and Boeing 737 in China. Fleet to date totals 19 planes
China's new airliner reached milestone on December 19 with China Eastern Airlines flight MU2158. Planemaker has delivered 14 aircraft of the type so far