All the jobs available in the China market will pay during the training period, depends on what company it is some will pay you the entire salary but some do offer a reduced salary, you need to ask those specific details to the company you are targeting, same situation with the requirement of a training bond, some will ask for it and some won't.

JAL went into bankruptcy, It is the same thing when airlines go into bankruptcy here or anywhere really, there will be layoffs and the first ones to go are always the foreign workforce, if you cannot stomach that little fact of life then contract work is not for you. All those guys found employment quickly after they left JAL, all had a lot of experience and were picked up by other companies.