The third article states that the regulation on trading platforms shall be tightened, "as of the date of this announcement, trading platforms shall not conduct any exchange business between fiat money and virtual currencies, shall not provide information and price for virtual currency trading."
They request to stop trading ICO tokens (as far as I understand, including previous solid ICOs like VEN, OMG, EOS and others) on Chinese exchanges, which is very serious.
Chinese exchanges are not the only player in the game. Bittrex and Polo can't be touched by chinese regulators.