What currency do you mean by the exchange rate between different currencies?

Now, if it is exported, it is better to calculate the RMB against the US dollar according to 1 USD =6.7.

If you need to call your company's account in Hong Kong, you need to pay a handling fee of about $7.72.

There are fees for customers to make money there.

You can ask me if you don't understand. Everyone is engaged in foreign trade. . .