The direct successor of the Mate X appears to take a few cues from the galaxy Fold, but the overall design remains consistent with the original one. Instead of an outwards-folding single display, the mate X II features a full-size separate front display and an inwards-folding larger display on the back, with an updated metal casing and rubberized protection for the hinge.
https://www.notebookcheck.net/Patent-reveals-Huawei-Mate-X-II-foldable-already-in-the-works.424868.0.html