Dahon Dragon is a model I found in China and it does not show anywhere on the Dahon website,
It's a 20" bike that has rear suspension, 7 gears and nice seat, transmissions and breaks.
It's called like most China mad Dahon "China Domestic Model".
I was able to get the price down to 260 US $ but I think $300 is a fair price for these bike,
You get great quality for very little money, recommended.
Attached pictures i found on a Thai bike forum.
https://www.thaimtb.com/forum/viewtopic.php?f=70&t=20033

Enjoy

You got a great deal on that bike. Looks awesome! Enjoy!

Edward Wong III
Qile Duo 5 Speed 20" Folder

nice bike. so did you buy it in china ? and are you in china locally ? it got quality parts too. awesome. good find...

Interesting. Rear suspension but no front.

Looks good, though.