Bitker is an exchange from Singapore and has been in existence for a long time. It support cryptocurrencies like BTC, USDT, ETH and more.
Beaides the usual buying and selling on this exchange, traders that hold their native token (BKB) can also also have the privilege of participating in governance issues and also enjoy some VIP treatment which may come inform of discounts.
The transaction fee and withdrawal fees are within the industry standard. Also, the exchange provide 24/7 support for it's traders.
Unfortunately though, Bitker exchange has been hacked and as a result has been closed down.