Yanbu Aramco Sinopec Refining Co. Ltd. (Yasref)-a joint venture of Saudi Aramco (62.5%) and China Petrochemical Corp. (Sinopec) (37.5%)-has implemented technology licensed by Chevron Lummus Global (CLG)-a joint venture of CB&I and Chevron Corp.-in the hydrocracker of its 400,000-b/d refinery along the Red Sea in Saudi Arabia's Yanbu Industrial City.