This is written in the style of a Chinese Formal Letter.
We warmly welcome Takahashi Yashichiro-sensei and Editor Miki Kazuma to Guangzhou!Yashichiro Takahashi is the writer of the Shakugan no Shana light novel series, while Kazuma Migi is his editor. Can't find a definitive article on Miki Kazuma that is in English though, so his JP wikipedia entry would have to do. Sorry.By Piku @ the Outer Law, as a sign of appreciation on behalf of the Chinese fans of Shakugan no Shana.
October 2, 2010.
Piku's blog. The characters for "Outer Law" can mean "Extradimensional Inn/Storage", or "Otherworldly Constellation".
In the novel it's an outpost of humans helping the flamehaze.