Huawei launched the Mate 10 devices towards the end of 2017. While the Mate 10 Pro is being sold in the US officially, the base Mate 10 and Mate 10 Lite never made the trip over. The latter is currently listed on Amazon, though, with a US$310 price tag.
https://www.notebookcheck.net/Huawei-Mate-10-Lite-now-listed-on-Amazon.293680.0.html