For the last three years the subsidiary OAO OGK-2 Novocherkasskaya power plant has been a client with OOO NPO Vakuummash. For the control and management of the process of the power units of the station we widely use temperature sensors made by your company. All products conform to the stated technical and metrological characteristics. In usage they are reliable and trouble-free, which speaks of a high quality of the products. By the current letter OAO OGK-2 Novocherkasskaya power plant is expressing gratitude to you and to all of your personnel for the quality of your products and is hoping for future business with you.