RIYADH: Chinese President Xi Jinping has left Riyadh Saturday morning following an official three-day state visit to the Kingdom of Saudi Arabia.  The president was seen off at King Khalid International Airport by Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh, and Prince Faisal bin Farhan, the kingdom’s Minister of Foreign Affairs. During the visit, President Xi Jinping attended summits with Saudi, Gulf and other Arab leaders, describing the talks as a historic milestone for relations with the energy-rich Middle East.  He highlighted close security and energy ties with Gulf nations during summit meetings in the Saudi capital. Xi Jinping said that relations between China and the Arab countries witnessed great developments in recent years.  Saudi Arabia and China vowed to prioritize relations as part of their foreign policy and set a model of cooperation and solidarity for developing countries, according to a joint statement released after the Saudi-Chinese summit.