"Eh em, which bank has a good exchange rate for cash? Have you encountered any places where cash is needed for meals and fuel? Friends who have come back." ?

I exchanged at CMB at noon today and the exchange rate is better than that of BOC by a little.

You can search for foreign exchange rates on major banks' websites. The differences are not significant. I exchanged it at the CMB.

Cash can drip, after adding it, you can go to pay

Many Chinese-owned restaurants only accept cash.

"China Bank is the most expensive."

ICBC

Hardly use cash