They didn't (and can't) ban anything. Those associations just issued a document, basically giving their own opinion. This FUD news is misleading and translated incorrectly.

Read (or translate) #2 there: https://mp.weixin.qq.com/s/Zpl0MWesUp2E8R23fNJf_g

Funny how people panic sell BTC when this yearly China FUD pops up. Funny how BTC also pumps after this FUD.