China firmly supports Saudi Arabia in its drive for economic diversification and social reform, and will continue to stick with the Arab country on issues involving their core interests, President Xi Jinping told Saudi Crown Prince Mohammed bin Salman on Friday. At a meeting on the sidelines of the Group of 20 (G20) summit in Buenos Aires, Xi also called on the two nations to work together to better synergize the Belt and Road Initiative (BRI) with Saudi Vision 2030.