Rocket: Chang Zheng 3B/Y1; Payload: Beidou-3M5, Beidou-3M6 [Beidou-33, Beidou-34]; Date: 29 July 2018, 0140 UTC; Launch site: Xichang Satellite Launch Center, China. The twin navigation satellites entered Medium Earth Orbit more than three hours after the launch.

Source: China launches more navsats