Sent Plura to this Exchange to test, 15 confirmations on the wallet, but exchange balance 0 Plura.
People should avoid this exchange and wait for exchange that actually works.
Its OK, coins are in the exchange wallet now.
Withdrew the same amount of coins from the exchange. Took less than one minute.
According to TradeOgre it takes 20 confirmations to funds appear in the wallet.
Everything works as it should. Tested, confirmed.