High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! People's Republic of China South Korea relations refers to the international relations between the People's Republic of China and South Korea. Formal diplomatic relations between Beijing and Seoul were established on August 24, 1992. Throughout the Cold War, there were no official relations between the communist China and capitalist South Korea. China maintained close relations with North Korea, and South Korea maintained diplomatic relations with the Republic of China (Taiwan).