This site deals primarily with genuine go karts; you know yard karts, fun karts, racing karts. Mainly domestic manufacture (some imported) and/or basically the things you can find for cheap on Craigslist.
That thing is an ATV/buggy and the basic criteria for that is full suspension, seat belts, roll cage, lights (turn signals, really?), car seats, a F-N-R gearbox and my personal favorite: the grocery rack.

It’s probably, most definitely Chinese.
No one here is gonna know what that is and if they do find out, it’ll be because they’re more skilled with a Gewgle search than you were.
I’d definitely post your VIN, that would be something to go off of, plus any labels, decals or logos you may find; maybe a manufacturer name is written right on it somewhere. Type all those into that famous search engine and go at it.