H1B visas are work visas applied for by an employer and interviewed for at the foreign consulate. Why would an employer file for a visa for a person already in the USA?
File for AP when filing for AOS to travel.
Lastly you may be interested in the Chinese immigrations website. "A Candle For Love" it is much like VJ only it specializes in Chinese immigrations issues.
http://candleforlove.com