1. foreign exchange settlement: if you buy goods or services in Vietnam, you usually need to use Vietnamese dong or other foreign currencies for settlement. The specific exchange rate and handling fee may vary according to different banks and remittance methods.

2. RMB settlement: Under certain circumstances, imported Vietnamese products can also be settled in RMB, for example, the two sides have established stable trade relations, or Vietnamese suppliers are willing to accept RMB settlement. At this time, both parties need to clearly stipulate the settlement currency and exchange rate in the contract, and ensure compliance with relevant laws and regulations.