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IDAX was established in December 2017 and it is currently the only operating Mongolian cryptocurrency exchange. In 2019 the exchange was shut down.
P2B is a centralized cryptocurrency platform, that offers more than 200 tokens. It covers the following markets: BTC, ETH, USD, EUR, and a number of stablecoins. 
Altcoin Trader is a Centralized cryptocurrency exchange based in South Africa. The exchange was launched in 2014. Altcoin Trader has 20 available trading pairs and 21 coins. The exchange uses the Ordinary procedure for verification including two-step verification process and Know Your Customer (KYC) procedure. If you want to raise the account limits and minimize processing time you must go all the way, uploading ID card, proof of residence, etc.