The event, crowded by nearly 2,000 oil and energy companies from 38 countries, will run until May 8 2016.

The theme of this year event is "attracting investment, transferring technology". almost 996 domestic firms, 826 foreign companies from 40 countries participated in the 21st show. The unprecedented reception of the fair comes as US-led sanctions on the Tehran’s nuclear program were lifted in January 2016.
PSEEZ displays his achievements and capabilities during the 4-day event in Tehran.
Iran is seeking to position itself as the safest regional country and have offered luring incentives for foreign investors to bankroll its oil and gas projects.