20 19 is the 70th anniversary of the founding of People's Republic of China (PRC) and the establishment of diplomatic relations between China and Russia. So in 2020, China and Russia have established diplomatic relations for 7 1 year. In the past 7 1 year, the world has changed, and the two countries have also undergone earth-shaking changes. Sino-Russian friendly and cooperative relations have withstood severe tests and continuously achieved new developments that have attracted worldwide attention.