Huawei's first foldable phone, the Mate X, has been demonstrated to tech journalists in Barcelona as part of a preview event for the 2019 Mobile World Congress. The device has some similarities with the Samsung Galaxy Fold, but also has some unique features of its own.
https://www.notebookcheck.net/The-Huawei-Mate-X-has-been-previewed-at-MWC19-already.410721.0.html
It's also the slowest, there's currently only one foldable phone with 5G support after all.