Transit visa from 10/27/2013 to 10/30/2013 in Shanghai airport

We fly to bangkok on 10/26/2013 will arrive at Shanghai (PVG) airport on 10/27/2013 at 5.30 pm and will stay to 10/30/2013 and fly to Bangkok at 11.30 pm. We will check in of course at 5.00 pm on 10/30/2013, do 72 hours free transis visa ok for us?