When you click on a link you get the builder and, yes, you can talk to the pretty girl if you like.
Europe, Australia & NZ, as well as much of Asia, use 220 VAC as a standard voltage in RV's. These ads are aimed at that market, but a US dealer need only ask for a 120 VAC version.
There is a company in L.A. (Coda) trying to build and sell electric vehicle based on a Chinese body shell, but they are about BK at this point. Here's a link, they also have a website for the company...
I doubt if a Chinese built RV would sell well here, but some of the features and details shown could give US builders some ideas if they ever take their heads out of their (You know where I mean!)