Nothing to identify anyone in that page.
They use Alipay, which take great efforts to identify the real identity of its users. They have the ID information behind the Btcchina.
The ID card information is based on a controlling system which is called "Hukou", every chinese citizen except the soldier have a sigal number which can and should be checked with a central database, where the photo of the citizen can be find.
Sure - am well aware of Hukou's etc. - guess if they really do know who the guy is he better just hope they don't ever find out what Bitcoin is (or he'd better hope to have left PRC before they do).