The International Oil, Gas, and Petrochemical Exhibition

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

An Iranian man passes in front of a sign that says "Made in Russia" during the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Iranians visit the International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. Majid Asgaripour/WANA (West Asia News Agency)

Russian Deputy PM Alexander Novak and Iran's Petroleum Minister Javad Owji visit Iran's International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. WANA (West Asia News Agency)

Russian Deputy PM Alexander Novak and Iran's Petroleum Minister Javad Owji visit Iran's International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. WANA (West Asia News Agency)

Russian Deputy PM Alexander Novak and Iran's Petroleum Minister Javad Owji visit Iran's International Oil, Gas, and Petrochemical Exhibition in Tehran, Iran, May 17, 2023. WANA (West Asia News Agency)