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Bit-Z is a Hong Kong-based cryptocurrency exchange that was launched towards the end of 2016. It is one of the top ten crypto exchanges around the world in terms of the reported trading volume.
Coingi was launched in early 2017. It is known that the platform maintains such coins as Bitcoin, Dash, Dogecoin, Litecoin, Namecoin, Peercoin, Vertcoin. Both deposit and withdrawal operations in Czech Koruna are free of charge. 
Bitibu was established in 2018 as a centralized cryptocurrency exchange. As of now, this platform is not active.