The next big thing, or maybe not. But hey, I just registered. You get access to the Chinese market, new ICOs and perhaps a bit of gambling fun.
The site is a bit slow, registration confirmation was sent to my Gmail spam folder, so check this out.
Other than that, looks lean and clean and functional to me.
Note that if you want to transact more then 2 BTC in value, you have to send in verification in terms of passport and that selfie pic that is required nowadays by most exchanges.