Maku FTZ Managing Director Gholamreza Soleimani has called for direct flights to be established between Maku and Trabzon as soon as possible, IRNA reported on Thursday. The signing of the agreement coincided with Iranian President Hassan Rouhani's visit to Turkey to meet his Turkish counterpart, Recep Tayyip Erdogan. The two presidents set the target of achieving $30 billion in annual bilateral trade from the current $11 billion, according to Financial Tribune.