Of course they are very influential on the growth of bitcoin by 2017 alone they are one of the world's largest cryptocurrency users especially bitcoin. But on September 30, 2017 it all fell sharply and 'reversed direction' became very small after the Chinese government imposed a ban on bitcoin since then the rule has not changed at least until now. So since 30 september 2017 bitcoin growth decreased and increasingly decreased only.
And events that occurred in January 2018 the ban was reaffirmed and finally their government decided and emphasized all of the exchanges and its citizens to support their single coin ie Neo.