By IANS,
Tehran : The 15th International Oil, Gas, Refining and Petrochemical Exhibition opened here Thursday at the Tehran International Fair Grounds.
The five-day exhibition coincided with the 101st anniversary of oil exploration in Iran, the state-run IRNA news agency reported.
About 435 foreign firms and 907 Iranian companies are participating.
The opening ceremony featured recitations from the holy Quran and speeches by the First Vice-President Mohammad Reza Rahimi, Oil Minister Masood Mir-Kazemi and Exhibitions Joint Stock Company director Kazem Akbarpour. Head of the Atomic Energy Organisation of Iran Ali Akbar Salehi also attended the event.