You're a fine poster but first decisions should be based on what folks want to do rather than "WHERE". Your work is more important than your free time activities are, because it is the reason why you are "WHERE" you are. This is the way we all may make a difference one day and perhaps also reduce the benefits some schools/recruiters enjoy when advertising for large cities. The bottom line is that "the love" comes from the heart not the eyes.
The first decision you must make is WHERE in China you want to work