SHANA (Tehran) -- The photos show the foreign companies attended the 28th Iran International Oil, Gas, ‎Refining and ‎Petrochemical Exhibition, also ‎known as Iran Oil Show 2024, kicked off in Tehran on May 8, 2024. The exhibition hosts 250 international companies from 12 countries and is open to visitors from 9:00 a.m. to 16:00 p.m. until Saturday.