Chairman of the Board of Directors of Riyadh's Chamber of Commerce and Industry Abdulrahman Al-Jeraisey has said convening of the Third OPEC Summit in Riyadh underlines the Saudi influential role in all fields led by the economy which is closely linked to Oil. In a statement here last night, Al-Jeraisey said the OPEC's Riyadh summit also underscores the Kingdom's status as the largest oil producer in the world and the attention given to it by all countries around the world. Al-Jeraisey explained that the summit will discuss important issues including energy supply, the blostering of global welfare and environment protection.