Fredrik--There is plenty of Chinese money invested in their projects, don't worry about that. Also rest assured this is not a fraud. Instead it's a once in a lifetime opportunity, and congratulations to you for finding it so young!
It's 1982 in China. 30 years ago it was pretty much non-existing in Europe, and 40 years ago in America as well.
All those "partners" who receive shares, I bet you they don't even have an account. They probably never receive the stock. It's probably an automatic sell, a service provided by a middle man or SIAF themselves.