On the surface, Chinese leader Xi Jinping's back-to-back summits with U.S. President Donald Trump and Russia's Vladimir Putin looked pretty similar but the visits also revealed how different China's relationship is with the two countries.

While this meeting comes just days after Beijing hosted the US president, the Kremlin insists there is "no correlation" between the visits.

Chinese President Xi Jinping hosted Russian President Vladimir Putin in Beijing less than a week after U.S. President Donald Trump concluded his own visit to China, highlighting…