~snip
China is a big nation and is a biggest manufacturers of ASIC and many biggest bitcoin mining farms are in China. People are fearful of FUD from China because they think if China cracks down mining there, it would be the end of Bitcoin network, that is not certainly.
They will be slowly toppled by India, remember that Apple has already moved some of their factories in India and their birth control policies are now backfiring, I think that their market dominance in production, demand and supply isn't going to last that long.