A note of caution.
I had a fantastic time during my fifteen years in China, other didn't.
http://www.pprune.org/south-asia-far...ing-panam.html
http://www.pprune.org/south-asia-far...structors.html
Things will be better now but if you accept a US instructors pay in the same way as these people did it will all end in tears.
Double it and you might get somewhere.