Saudi Arabia’s Crown Prince Mohammed bin Salman (MBS) got a tour of The Great Wall and China got a great deal as Saudi Aramco signed off on a $10bn refinery and petrochemical project hours before meeting with President Xi Jinping to wrap up his two-day visit culminating on Friday. “It’s part of a recent strategy of Saudi national oil company Aramco to expand outside of the kingdom,” said James Dorsey, a senior fellow at RSIS.