Despite of the repeated scenario that China banned crypto currency and announced crypto is illegal, they are one of crypto lovers. In fact more of our Chinese neighbor are using cryptocurrencies and they are investors. Also some of them are so good in development to produce potential crypto. China might shake crypto market but it could not stop cryptocurrencies. The announcement will take effect immediately to crash the market because China is big and more cryptonian are there.
I believe one day market will no longer care about what China has to say about crypto. There will be a moment when the market will no longer believe in the statements of the Chinese government, because the market has often experienced FUD from them. Similar to psychology we meet people who often lie, at first we believe them, in the end we don't care what they say. As long as other countries still legalize crypto as an investment asset, even though there is no China on the list, then even China's FUD will have no effect on the market.