Rural commercial banks can't buy rubles, but banks can buy rubles through direct settlement and sale of foreign exchange. Go to a bigger bank, Industrial and Commercial Bank of China, Bank of China.

Various commercial banks approved by the state to engage in foreign exchange business, such as China Bank, China Industrial and Commercial Bank, Agricultural Bank, China Construction Bank, etc.

Domestic convertible foreign currencies mainly include: British pound, Hong Kong dollar, US dollar, Swiss franc, Singapore dollar, Swedish krona, Danish krona, Norwegian krona, Japanese yen, Canadian dollar, Australian dollar, euro, Macao dollar, Philippine peso, Thai baht, New Zealand dollar and Korean won. Other foreign currencies are not convertible in China.