Huawei's battles with the US government has ensured that the company's new P20 devices will not be sold in the country. Those in Canada can rest easy, though, as the devices will make their way over, and will be sold by all major carriers.
https://www.notebookcheck.net/The-Huawei-P20-devices-are-on-their-way-to-Canada.300554.0.html