Lavan Chemical Petrochemical In 1384, an ammonia unit with a capacity of 677 thousand tons per year and a urea granule unit as a final product with a capacity of 1073 thousand tons per year were established. The main center of the company is in Tehran, Saadat Abad, Second Street, North Second Street. It is located at No. 15, 4th floor. Now Lavan Chemical Company is one of the subsidiary business units of Sepehr Energy Company, and the project implementation site is in Phase 2 of South Pars Energy Zone (Asaluyeh).