China has finished their own GPS Satnav (old news you may not have heard)

https://china-aerospace.blog/2021/07/23/china-investing-massively-in-the-beidou-heres-why/#:~:text=You%20may%20have%20heard%20of%20Beidou%2C%20the%20Chinese,2020%2C%20on%20board%20a%20Long%20March%203B%20rocket.

You may have heard of Beidou, the Chinese satnav constellation and rival of the American GPS, Russian Glonass, and European Galileo. 2020 marked a major milestone for Beidou, with the completion of the constellation deployment on June 23 2020, on board a Long March 3B rocket.