Framed within these mutual interests and needs, Sino-Saudi relations have been developing rapidly. King Abdullah made a formal visit to China in January 2006, which was the first visit made by a Saudi king to the PRC since the establishment of diplomatic relations between the two countries. President Hu Jintao visited Saudi Arabia in April 2006 and February 2009, and Vice President Xi Jinping also made a visit to Saudi Arabia in June 2008.