The upcoming Huawei Mate 30 and foldable Mate X will not ship with Google Mobile Services (GMS) pre-installed due to the ongoing ban on Huawei products by the Trump administration citing national security concerns. However, CEO Richard Yu said that users can still install Google apps on their own and that the company is contemplating shifting to HarmonyOS starting from the P40 series next year if the situation doesn't improve.
https://www.notebookcheck.net/Huawei-Mate-30-and-Mate-X-to-ship-without-Google-apps-P40-series-could-launch-with-HarmonyOS-in-2020.434555.0.html