Originally Posted by
IluvSQ
I had the exact same thing happen at HGH a number of years ago - flight
cancelled due to fog. I had a multi-entry visa, my travel companion had
already used his single-entry one; but the Chinese immigration were
very good about letting us re-enter - what they did was cancel our exit
stamps, and then the next day re-stamped the exit stamp.
Chinese immigration is always pretty good for international visitors. What helps that process are the "how did I do today" buttons that probably play a big role in how they treat foreigners.