According to South Korean media, Xiaomi has sought clamshell foldable panels from Samsung in the hope of mass-producing a Galaxy Z Flip-type smartphone in 2H 2020. Xiaomi is aiming to release a CNY 999 (~US$141) 5G handset before the end of the year too.
https://www.notebookcheck.net/Clamshell-Xiaomi-foldable-smartphone-to-enter-mass-production-in-2H-2020-Sub-US-150-5G-handset-targetted-for-release-before-the-end-of-2020-too.462329.0.html