http://en.kremlin.ru/events/president/news/79777Vladimir Putin and Xi Jinping will discuss current bilateral matters, ways to further strengthen the comprehensive partnership and strategic cooperation between the Russian Federation and the People's Republic of China, and exchange views on key international and regional matters.
According to Russian media this visit was planned back in February and has nothing to do with Chinese visit by President Trump.
Also there is speculation that there will be discussion and signing document about new world order.