RT looks at the key milestones that led to “no-limits” cooperation between Moscow and Beijing Russian President Vladimir Putin has embarked on an official visit to China this week – the latest milestone in a relationship that Moscow and Beijing have described as a “no-limits partnership.” Putin’s trip comes as the two countries celebrate the 30th anniversary of the China-Russia strategic partnership of coordination, and the 25th anniversary of the Treaty of Good-Neighborliness and Friendly