POSCO’S TIES WITH ARGENTINA --- POSCO chairman Kwon Oh-joon (left) poses with Mauricio Macri, president of Argentina, and Choo Jong-youn, Korean ambassador to Argentina, at the presidential office in Buenos Aires on Tuesday, after discussing expansion of business ties between the Korean steelmaker and Argentina. The meeting was set up after POSCO broke ground on its first lithium extracting plant in Salta, Argentina, Sunday. (POSCO)