DigiFinex is a top 20 exchange that has a strong focus on China. They do not accept US clients. DigiFinex's exchange does not charge a withdrawal fee.

Trading Fee: 0.2%
Deposit Fee: 0
Withdrawal Fee: 0
Number of Tokens/Coins: 29

DigiFinex issued the DFT token, which gives holders dividends.

Simex is an exchange that is focused on the Russian crypto market but is registered in the United States. Simex offers a limited token selection that users can purchase with USD or Rubles. They offer convenient debit card withdrawal options.

Trading Fee: 0.2%
Deposit Fee: Up to 3.3%
Withdrawal Fee: Up to 6%
Number of Tokens/Coins: 6

Simex issued the SMX token, which gives holders discounts on trading.

Cobinhood is a cryptocurrency exchange with no trading fees. Users can trade most of the major pairs, and a variety of other currencies. Cobinhood offers both both a centralized and a decentralized trading platform. In addition to their cryptocurrency exchange, Cobinhood also operates an ICO underwriting service, and they are releasing Zeux, which will be a crypto mobile payment and investment app.
The network is powered by the COB token.