I wonder how long until >51% of hash is in China   

Pretty damn close right now.... ~46% for certain, and 20% "unknown".

guojin mintui.

Seems like China is really becoming the 800lb gorilla in the Bitcoin equation, from build to run to store.

What would be the benefit, if any, to China to potentially control/manipulate the Bitcoin economy as it moves forward?

Hmmm....