In recent years, many airports and 5-stars hotels and banks network in large cities come with a new machine called XDM(Currency Exchange Machine). People put foreign cash into, and return CNY note. Only need a passport, everything is automatic. It supports USD, EUR, JPY, GBP, CHF currencies. But it is only in single way, it can only convert foreign cash to CNY. CNY to foreign cash is unavailable.
   In genereal, It is very convenient for people to exchange small amount of cash, and it work 24 hours/day. Each passport, you can exchange as much as 2,500 CNY. Also, it has a poor exchange rate, and frequently out of cash or work.
   Some branches of BOC, SPD Bank, CCB are with XDM.

   If want to exchange your cash in Guangzhou downtown, just contact us.
   Best RMB Exchange Rate Finder