Chinese President Xi Jinping on Wednesday congratulated President-elect Joe Biden on winning the 2020 election, according to state media outlet Xinhua.

Chinese foreign ministry spokesman Wang Wenbin congratulated Biden on Nov. 13, but Xi delayed issuing a formal statement from himself until Wednesday.

"Chinese President Xi Jinping on Wednesday sent a message to Joe Biden to congratulate him on election as U.S. president," Xinhua reported without adding further detail.

Chinese President Xi Jinping shakes hands with U.S. Vice President Joe Biden (L) inside the Great Hall of the People in Beijing December 4, 2013. REUTERS/Lintao Zhang/Pool (CHINA - Tags: POLITICS) - GM1E9C41JRZ01

Chinese President Xi Jinping shakes hands with U.S. Vice President Joe Biden (L) inside the Great Hall of the People in Beijing December 4, 2013. REUTERS/Lintao Zhang/Pool (CHINA - Tags: POLITICS) - GM1E9C41JRZ01

U.S.-China tensions have escalated during President Trump's time in office, resulting from an ongoing trade war that the president was trying to amend before the coronavirus pandemic reached the U.S. and further escalated disagreements between the two countries. 

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The U.S. has been pressuring China on issues regarding human rights abuses against Muslim minority populations in the country, Hong Kong independence and theft of U.S. intellectual property, among other things.

Biden is expected to review the Trump administration's China tariffs once the president-elect takes office, according to The Wall Street Journal, citing aides and advisers. 

Russian President Vladimir Putin has yet to congratulate the president-elect.

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