The tour sent a strong signal that China firmly defends multilateralism and international trade rules, Wang said.

On Xi's visit to Vietnam, Wang said that the strategic guidance of the top leaders of the two parties and countries is the biggest advantage of and the most important political guarantee for the development of China-Vietnam relations.

The leaders of the two parties and countries unanimously confirmed that in accordance with the overarching goals characterized by "six mores," the two sides will advance the development of their comprehensive strategic cooperation with higher quality and on deeper levels, and accelerate the building of a China-Vietnam community with a shared future that carries strategic significance, he said.

During Xi's visit to Vietnam, bilateral railway cooperation has been expanded and upgraded, which particularly demonstrated the determination of the two countries to seek common development, Wang said.