Iran and Kazakhstan have signed an agreement aimed at establishing a joint shipping company, a senior official said in a report.

The agreement was signed during a recent ceremony attended by the presidents of the two countries in Tehran, added the Iran Daily News report, citing IRNA.

The planned freight shipping line would boost bilateral trade through the Iranian port of Bandar Anzali and Kazakh port of Aktau, both on the Caspian Sea, the Islamic Republic of Iran Shipping Lines (IRISL) head Mohammad Saeidi, was quoted as saying in the report.

Iran and Kazakhstan have also decided to increase rail transportation via a railroad linking Iran, Turkmenistan and Kazakhstan.

Iran's President Hassan Rouhani revealed that Iranian and Kazakh officials signed 66 documents on cooperation, worth $2 billion, in the public and private sectors, adding that the agreements mark a 'turning point' in mutual relations.

He noted that Tehran and Astana will strengthen cooperation in the fields of economy, agriculture, science, culture, technology and communications.

The Iranian president added that bilateral cooperation in the Caspian Sea including marine transportation, tourism and the determination of the landlocked lake's legal status were also discussed during talks with the Kazakhstan President Nursultan Nazarbayev, added the report.