HEDSUN central office:
No 107, Sarmad Electrical Commercial Building, Saheb Al Zaman Square, Sanaei St., Mashhad, Iran.
Postal Code: 9139634055
Manager: 37052538-051,09120813998 & 09307797962
Sales and Trading: 051-37138759 and 09191834609
Sales and marketing: 051-37267617 and 09213887680
Accounting: 37269539-051
Fax: 37269539-051