KTET has been established in 1981 by Mr. Mahmoud Nassiri with activities based on the 30 years experience of it&＃039;s specialists in designing and manufacturing of electric heating elements. The production facilities are located at 60 km from Tehran, In an area near Damavand mounting and Headquarter and Central Shop are located in Tehran.Our continuing focus is towards customer satisfaction, especially with regard to order response and technical expertise. We Believe that The Back Of Quality Is Just Quality.