hey seranno,
Flyingdog was right, unfortunately CAAC has conditionally restricted pilots from Columbia to fly in China because of its poor safety record. I understand it was just individual case, doesn't necessary represent the whole, but they are the regulatory body, they are the ruler. Unless there will be a significant improvement on Columbia's safety rating, it is very hard.
But you can always give a try, you know everything is negotiable in China, as long as you can demonstrate and prove that you are not one of those poor guys, you still have a chance.
Bring out everything you can to justify that you are safety orientated, but just try to keep it low profile if you succeed.
Good luck!
gingy