https://cdnph.upi.com/ph/st/th/2021784586274/2026/upi_com/b3d8dd8b00afb787be2e040ae0f5f526/v1.5/Chinas-C919-to-begin-first-international-passenger-route.jpg" /> Air China will deploy China's domestically developed C919 on a daily Beijing-Ulaanbaatar route starting Aug. 12, its first international service.