Xiaomi years back showed that it would release folding smartphone.
It is reported that Xiaomi is working on 3 foldable phones these years. An out folding, in folding, and a clamshell.

As seen in the picture above the renders show the tri-folding phone which can fold from both sides. this type of fold has not been seen before and it is confirmed that.
In this video, you can see the fold in live-action. So it is confirmed that the fold will definitely be released this year along with 2 other foldable phones.