�IRNA � Iranian President Hassan Rouhani on Tuesday visited the 23rd Iran int'l oil show which is underway in Tehran.


Over 1,053 domestic and 600 foreign companies from 37 countries are attending the three-day event.

More than 37 foreign countries including Azerbaijan, Austria, Spain, Germany, the UAE, the UK, Italy, Belgium, Turkey, Czech Republic, China, Russia, Japan, Sweden, Switzerland, France, Croatia, South Korea, Poland, Netherlands, India, Finland, Hong Kong Bahrain, Kazakhstan, Monaco, Canada, Liechtenstein, Oman, Denmark, Taiwan, the US, Norway, Australia, Brazil, Malaysia and Singapore are among the participants in the exhibition.

The exhibition is aimed at luring investors, exchanging the state-of-art technologies and introducing the companies which are active in the fields of oil exploration and production.