Several prominent mobile device OEMs have been rumored to enter the foldables market fairly soon. Now, a new tip from a display-focused leaker indicates that pretty much all of them will do so by the second half of 2021 (2H2021). The devices in question might have to compete with Samsung's more familiar offerings, including a possible affordable Galaxy Z Flip variant.
https://www.notebookcheck.net/OPPO-Vivo-Xiaomi-and-Google-are-now-touted-to-join-Samsung-in-2021-s-foldable-arena.508880.0.html