The inking ceremony was held in the presence of Iran’s First Vice-President Eshaq Jahangiri and visiting Bulgarian Prime Minister Boyko Borissov.

Technology and communications, joint investment and industry have been the fields of the agreements.

Borissov, heading a high-ranking economic delegation, arrived in Tehran late on Sunday.

On Monday morning, he was welcomed by Jahangiri in the cultural and historical complex of Saadabad in north of Tehran.