The engineering, procurement and construction (EPC) bidders for the 553,000-tonne-a-year (t/y) plant are: Spain's Tecnicas Reunidas, in partnership with the local Sazeh Consult; a team of Italy's Tecnimont, with the local Nargan; and Japan's Mitsui Engineering & Shipbuilding Company (MESC), with the local Petrochemical Industries Design & Engineering Company (PIDEC).

Bakhtar is an affiliate of National Petrochemical Company (NPC), but also has shares owned by Arak Petrochemical Companyand the state pensions fund. The project will be fed by the new olefins 11 cracker, which is to be built by Germany's Lindewith Sazeh.