By John Lee.
IRNA reports that former German Chancellor Gerhard Schroder (pictured) is to lead a major trade delegation to Iran.
The exact timing of the visit has not yet been announced.
Trade between the two countries stood at 2.39 billion euros last year, and is expected to increase to 10 billion euros within three to four years.
According to Trend, 80 German companies are currently operating in Iran.