Huawei is now on its own version of Google Mobile Services, which means its smartphones sold in markets such as Europe can't do most "normal Android" things, contactless payments included. Now, the OEM has announced that they might be back soon due to a Curve app that can use the NFC chip on Huawei phones.
https://www.notebookcheck.net/Huawei-gets-payments-on-its-phones-back-through-a-new-partnership-with-Curve.593883.0.html