The ruble or rouble is the currency of the Russian Federation and the two self-proclaimed republics of Abkhazia and South Ossetia.  Though the abbreviation руб.  is in wide use currently, it is still without official symbol.  The ruble is subdivided into 100 kopeks. 

The Chinese Yuan (meaning "round object" or "round coin" in Chinese) is the base unit of a number of modern Chinese currencies.  The Yuan is the primary unit of account of the Renminbi.  In many parts of China, renminbi are counted in "kuai" rather than "Yuan".