Apply to ALL!
Pick three Agents.
Apply to all of the jobs.
As a newbie to the Expat World this is the way to play the game.
The China ones can take months for the processing BEFORE you are even invited to a screening.
In Korea I'm not sure of the exact process but there again the risk is high.
So if you get a chance in Korea first and it does not work out, then the China Applications are still being worked on.
Remember 6 months is the min. time usually from where you are and the 1st paycheck.
Huaxun is an Agent (seems ok as far as feedback goes) in Schenzen also looking after 320 offers in China.