NOTE: the comments for this question were accidentally deleted.
We have suggested another solution to fippu82 as on
http://chineseseoshifu.com/blog/google-fonts-instable-in-china.html
Here is fippu82's answer :
Thanks a lot for your answer and the interesting links! In the meantime I downloaded the fonts to my server and host them there including the CSS. Works fine. Depending on performance considerations, I will consider the Useso mirror.
I love Seotoaster and will surely use it for new projects in the future!
Keep up the great work. Just one thing: Documentation could be much more comprehensive (and save you a lot of time to answer questions in this board :) )