Way to go Jade!
Is Jade management blind to the fact that lots of guys will be leaving if there is no way to upgrade? 30 T/G's in a 744 are a total waste of money on fuel and brakes and of course Jade will never agree to pay for this. Jade management should seriously start pushing CAAC to change this crazy rule.
Applicants: Consider your career path before joining this outfit. I suggest to apply for a position in a company where you actually can be upgraded eventually - not where the road has a dead end.