If they're not listed on the Bitaxe site, I'd be careful. A lot of crap/scams out there.
I've used and can recommend nostr:nprofile1qqstrcgctzz2d52thl8r3xwt205pswkauep0yexsla83w3fhrcrpxnqprpmhxue69uhhqun9d45h2mfwwpexjmtpdshxuet5xp62jx, D-Central, and GekkoScience for orders here in the US.
I've also used OEGMINER via Amazon to order two Avalon Nanos via Amazon and have no complaints.