I wonder if the Chinese still label things 220V as that was what the continent used before the whole EU became nominally 230V. As has been previously stated, the US hasn't been 110V, at least in theory, for a long time.
I see there's also a 150-0-150 version:
https://www.aliexpress.com/item/Tran...fa7daf9a&tpp=1
I too await Mr B's report with interest.