Originally Posted by
svasandani
A foreign national that meets the requirements may submit his/her request to the airline company that carries him/her to Beijing or Shanghai, which shall make the application to the border control authorities of the Beijing or Shanghai airports that shall grant a temporary entry of a passenger meeting the requirements for transit visa exemption upon verification.
All this means is that when you check in for your flight to China, you need to show the check in person proof of your onward ticket.