Rabigh Refining and Petrochemical Company (Petro Rabigh) signed a new joint agreement with oil company Saudi Aramco and Saudi Basic Industries Corporation (SABIC) on Wednesday. Under the deal, SABIC will promote Saudi Aramco"s stake in Petro Rabigh"s petrochemical products from October 1. This agreement aims to improve supply chain efficiency and enhance the company"s competitiveness among its peers in the petrochemical industry.