Established in 1995, the Bonab Energy Research Center conducts research on nuclear technology for agricultural applications. [1] In July 1997, IAEA Director General Hans Blix visited the facility and did not detect any undeclared activities. [2] The center is one of the main research facilities associated with the AEOI, and suspicions persist that it may conduct secret nuclear research. [3]

Sources:
[1] Greg J. Gerardi and Maryam Aharinejad, "Report: An Assessment of Iran's Nuclear Facilities," The Nonproliferation Review, Spring/Summer 1995, p. 209.
[2] "IAEA Chief in Tehran to Inspect Research Facilities," AP, 20 July 1997.
[3] Anthony H. Cordesman, Iran's Military Forces in Transition: Conventional Threats and Weapons of Mass Destruction (Westport, CT: Praeger Publishers, 1999), p. 381.