Great business. Serves an identified need for people with a real pain point. I'm glad to see that they're erecting some barriers to competition with native Mandarin speakers and a service oriented atmosphere.

It'll probably last a few months at least, but make hay while the sun shines. Doing NPR probably wasn't a great idea since their customers don't find them via traditional advertising means, but are literally thrown on their doorstep by the Chinese consulate.