Moscow Partriarch visits Beijing

The Patriarch of Moscow has just made an official visit to Beijing and was received by President, Xi Jinping.
Metropolitan Hilarion of Volokolamsk, recently paid an important visit to China, where he met the illegitimate Catholic bishop Joseph Ma Yinglin.

So, what is gioing on?
A Roman friend says the only westerner who might be able answer this question is the Nuncio to Great Britain, the former Nuncio to Russia.