At around 8 o'clock on July 1, Air China flight CA757, operated by the domestic passenger aircraft C909, took off from Hohhot Baita International Airport and successfully arrived in Ulaanbaatar, the capital of Mongolia, after more than an hour of flight, marking the official opening of Air China's first C909 international route.

At around 8 o'clock on July 1, Air China flight CA757, operated by the domestic passenger aircraft C909, took off from Hohhot Baita International Airport and successfully arrived in Ulaanbaatar, the capital of Mongolia, after more than an hour of flight, marking the official opening of Air China's first C909 international route.