Maham Tavan Sanat Company offers optimization and major repairs of the main equipment of power transmission networks, including substation equipment, power transformers, breakers, etc., protection systems, overhead and ground distribution and transmission networks, and telecommunication equipment to its esteemed employers for their continued maintenance and operation. In addition to paying special attention to all electricity industry standards and observing the requirements of equipment manufacturers, the company's expert personnel implement these matters in a very desirable manner by applying their experiences. One of the most important types of major repairs is on-site repair of power transformers, which is provided by opening a hatch on the transformer body and entering the transformer by specialists, and all lubrication, oil circulation, vacuuming, etc. operations are carried out entirely on-site.