![TEHRAN, IRAN - MAY 7: Visitors are seen during the 22nd Iran International Oil, Gas, Refining & Petrochemical Exhibition in Tehran, Iran on May 7, 2017. Companies from Turkey, France, United Kingdom, and China being in the first place, total of 37 companies took part in Iran Oil Show. Fair will continue until May 9, 2017. ( Fatemeh Bahrami - Anadolu Agency ) Visitors are seen during the 22nd Iran International Oil, Gas, Refining & Petrochemical Exhibition in Tehran, Iran on May 7, 2017 [Fatemeh Bahrami/Anadolu Agency]](https://i0.wp.com/www.middleeastmonitor.com/wp-content/uploads/2017/05/20170507_2_23532106_21833183.jpg?w=295&h=196&ssl=1)
TEHRAN, IRAN – MAY 7: Visitors are seen during the 22nd Iran International Oil, Gas, Refining & Petrochemical Exhibition in Tehran, Iran on May 7, 2017. Companies from Turkey, France, United Kingdom, and China being in the first place, total of 37 companies took part in Iran Oil Show. Fair will continue until May 9, 2017. ( Fatemeh Bahrami – Anadolu Agency )