Myanmar Passport Holder 24 hours transit visa at Shanghai

Hi We are holding a Myanmar (Burma) passport traveling to Jeju island South Korea and I have a transit in Shanghai. Our arrival time to Shanghai at morning 6:15 am and our connecting flight depart to Jeju island ( South Korea) at 4:00 pm at the same day and the same airport.
Can we able to get a 24 hours direct transit for sight seeing before connect to the our second flight ?
If can, what are the procedure to follow ?