The exchange rate of ICBC will be better than that of BOC, but not every ICBC can change it. You need to make an appointment in advance. You can call the specific outlets of the work bank. If you don't know, you can check online or check the hotline of the work bank.

The ruble is the legal tender of the Russian Federation and is issued by the Central Bank of the Russian Federation. It is also the legal tender of Abkhazia and South Ossetia, and Belarus and the left bank of Transnistria also use the same currency name.