Sounds a lot like instapainting.com, except artists come from India instead of China. Also sounds like the model works :) Best of luck!
MADE IN USA BY AMERICAN ARTISTS
And I can't find any mention of China.https://www.instapainting.com/blog/company/2015/10/28/how-to...
We display the country location of every artist profile on our site and heavily try to promote our US base.
If you actually go through the purchase funnel it also gets re-iterated (you are prompted to choose where you want your artists from).