Originally Posted by
MSPeconomist
Their trip must have been considered TRANSIT. There are now good possibilities for visa-free transit at major Chinese airports. The rules are different, for example, for PEK vs PVG. However, AFAIK just going to China and back, even for a short stay, does not qualify as one must be transiting to a third country. YMMV but I would never risk trying to get around the visa rules in this situation.
Good point - thanks for clarifying. I too would not want to risk it as deportation would really stink.