German Minister for Economic Affairs and Energy Sigmar Gabriel heading a 160-economic delegation is also attending the meeting.
Over 40 reporters, photojournalists and cameramen are accompanying the German delegation.
Following the gathering, several separate meetings and expert panels will be held in Iran Chamber of Commerce, Industries, Mines and Agriculture.
Germany was Iran's major trade partner before the latter was sanctioned by big powers for its peaceful nuclear program.
However, after sanctions were lifted in January 2016 following the landmark nuclear deal between Iran and six world powers, Germany was the first European country that headed for Iran.
By IRNA
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