“On Dec. 8, the commander of the Iranian army’s ground forces, Brig. Gen. Ahmad Reza Pourdastan, announced that the Islamic Republic’s “ties with Russia in the field of equipment supply are established. Our first contract was for the S-300 missile system and now we have on our agenda the purchase of T-90 tanks. God willing, our experts will go on a trip to Russia to sign the related contracts with the Russians. However, no such contract has been signed yet.”

http://www.al-monitor.com/pulse/originals/2015/12/iran-purchase-t90-russian-tanks.html