The exchange rate between foreign currencies can be registered in China Merchants Bank in official website. You can find the "foreign exchange" menu in the middle of official website interface, and click on the lower left corner to download the "foreign exchange quotation software". The foreign exchange quotation software shows Reuters's quotation, not our quotation. This quotation can be used for your reference. You can view and analyze trends through this software. (Foreign exchange quotation software can only be downloaded from computers, and there is no mobile phone or IPAD version for the time being)

It is impossible to confirm the historical exchange rate of RMB at present.