Russia, China extend friendship treaty, hail ties
The past several years have marked a period of intensified cooperation for Moscow and Beijing as the two global powers face common tensions with the United States.
The two countries have developed economic, military and energy ties while supporting each other on a number of issues, especially when faced with criticism from the West.
He hailed the accord -- which he signed in 2001 with China's former president Jiang Zemin -- as a "fundamental international legal document" and said that Russia-China cooperation "plays a stabilising role in global affairs".
"As the world has entered a period of turbulence and change, and humanity faces various risks, close Sino-Russian cooperation brings positive energy to the international community," Xi said, according to a transcript released by the Kremlin.