We already know China's government has been ban initial offerings and bitcoin exchanges in since beginning of September this year.
At that time, all bitcoins exchanges in China have problems to continue this business. Some China's Bitcoins holder also divert all its assets to store in abroad exchanges.
Source from
https://cointelegraph.com/news/breaking-china-may-cut-off-cheap-power-to-bitcoin-minersThe statement regarding the cessation of cheap mining electricity indicates that the Sichuan Electric Power Company has issued a circular indicating that it will no longer provide the necessary power from its grid-connected hydropower stations. The circular suggests that Bitcoin mining is illegal operation. The circular has yet to be confirmed.
If this true will be applied then China's is serious to fight this Bitcoins business.
Earlier this month, the news of bitcoin banned in china is a big setback for bitcoin and it also affects the miners. Though they can divert what they currently hold in abroad exchanges still this is a major problem that complicates the investors residing in China, they are really strict when it comes to bitcoin matter that is why this a very serious matter not only for the chinese bitcoin investor but also outside the china premises because their portion has a big part on what could bitcoin achieve.