In reference to a possible short attack, I would just like to say that ONP (Orient Paper, Inc.) was one of the first Chinese stocks trashed and shorted by Muddy Waters. The SEC investigated ONP (among others) and found nothing fraudulent. I think one should be very skeptical of an attack and not be so easily shaken out of a great company like SIAF.
Here are links that are from 2011, but, I think, still relevant: