Construction of Tehran Second Oil Refinery

- Construction from 1972 to 1973 - Nominal capacity of 100,000 barrels, which increased to a capacity of 110,000 barrels in 2003. - Construction of atmospheric distillation, vacuum distillation, oil production in vacuum, visbreaking, liquefied petroleum gas, naphtha hydro-treating, kerosene and gas oil, hydrogen, isomerization, Isomax, and sulfur production units