The Sparing-Vist Center enterprise has been working in the field of instrument-marking for 15 years. The enterprise has designed and produced radiation measurement instruments of "ECOTEST" trademark, certified by the State Committee of Ukraine for Standards and registered in State Register for  Measuring Devices. The enterprise manufactures all of these devices using the state-of-the-art technology and modern design. The enterprise provides warranty(18 months) and post-warranty servicing of its products.