With a first trip to China under one's belt, can itineraries for subsequent trips be freer and looser? The original visa application required a detailed accounting of where you stay each night on your first trip. With that step out of the way, there's no such advance monitoring of your time on a second trip. Can you put together a more flexible itinerary? Or, looking at question moondog posed in another thread:

… can you go to a destination that might raise eyebrows on a visa application?