Rumour has it that Huawei will be bringing 120 Hz displays to its Mate series flagships this year, a first for the company. Ongoing supply chain issues owing to US trade sanctions may have postponed the release of the Mate 40 and Mate 40 Pro until late Q4 2020 at the earliest.
https://www.notebookcheck.net/Huawei-Mate-40-Pro-release-slips-to-late-Q4-2020-at-the-earliest-120-Hz-display-touted-for-upcoming-flagship.476887.0.html