The listed of yours crypto currency exchange are actually too good. I also trade with those exchanges and it's really easy too trade with those exchange. But i can't agree with Polonix because somehow i don't like to trade there. Some critical thing like trading platform didn't thing too much easy and smooth like binance or coinbase. And my opinion binance is the top rated exchange of in your list.
Biannce is always the first choice of everyone and this is what makes this exchange always voted the best exchange at this time. Until now, besides the Binance, there are no exchanges that can compete because most people who join crypto will choose Binance first because this is the exchange with the highest trading volume and you are many options when investing