The 5G version of Huawei's latest premium slate has been on the international market for some months now. However, it has not been available in this OEM's own home market. The company has rather abruptly announced that it will correct this situation tomorrow (March 27, 2020).
https://www.notebookcheck.net/Huawei-springs-an-unexpected-MatePad-Pro-5G-launch-on-the-Chinese-market.466831.0.html