Russian President Vladimir Putin sent a message of congratulations to Chinese President Xi Jinping on Friday, commending his re-election into a historic third term.

In the letter, Putin called Xi his "friend," and lauded the two nations' "strategic cooperation" and "fruitful" relationship.

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Xi Jinping and Vladimir Putin

Chinese President Xi Jinping, left, and Russian President Vladimir Putin pose for a photo on the sidelines of the Shanghai Cooperation Organization summit in Samarkand, Uzbekistan. (Alexandr Demyanchuk, Sputnik, Kremlin Pool Photo via AP)

"Dear friend, please accept sincere congratulations on the occasion of your reelection," Putin said in the statement released by the Kremlin on Friday.

"Russia highly values your personal contribution toward the strengthening of ties... and strategic cooperation between our nations," Putin wrote.

Xi won his third five-year term as president Friday, following a vote by the country’s mostly ceremonial legislature.

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Xi Jinping clapping

Chinese President Xi Jinping applauds during a session of China's National People's Congress at the Great Hall of the People in Beijing, Friday, March 10, 2023. (AP Photo/Mark Schiefelbein)

"I am certain that working together, we will ensure the development of fruitful Russian-Chinese cooperation in all sorts of different areas,"  the letter continues. "We will continue to coordinate joint work on the most important regional and international issues."

The message ends with a wish of good health and prosperity in the coming years.

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Russian President Vladimir Putin

Russian President Vladimir Putin speaks during a concert in Luzhniki Stadium in Moscow. (Contributor/Getty Images)

The National People's Congress voted 2,952 to 0 to re-elect Xi, who is 69, putting him on track to stay in power for life.

Xi’s victory was a foregone conclusion as he has sidelined potential rivals and filled the top ranks of the ruling Communist Party with his own supporters since he first rose to power in 2012.

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China's Congress

Chinese President Xi Jinping walks to cast his vote during a session of China's National People's Congress to select state leaders at the Great Hall of the People in Beijing, Friday, March 10, 2023. (AP Photo/Mark Schiefelbein)

In tandem with the presidency extension, Xi was unanimously named commander of the People's Liberation Army, the formal name for China’s military.

Fox News' Lawrence Richard contributed to this report.