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Dude, maybe you want to fix your typing since your post is really hard to read, at least for me. Anyway, the electricity price has been mentioned above and there are a lot of users who claim that it is not cheap enough. If that's true, I doubt the majority of the miners would move there, even if they're protected by the law.
depends on how much profit the miners could make, if it could make at least 80% of their former profit when still residing in china then maybe that's doable but is it really big deal though when the hash power decreases due to china's crackdown of miners?
Back then people keep saying that bitcoin is too centralized since the mining power mostly coming from china, now that's not happening anymore and people are worrying about it although the mining difficulty dynamically changes based on the available hash power if I recall correctly.