ETD TRANSFORMÁTORY a.s. (formerly ŠKODA Plzeň), has more than 90 years of experience in the development, production, repair and modernization of power transformers. Currently, the company is expanding its activities abroad, especially in the industrially developed promising Asian markets. The company can attract customers on the interesting and unique technical parameters of the devices and great service offering. The Electrical Testing Laboratory (E.T.L.) was a part of the company ŠKODA Research a.s. till 2008. Company ETD TRANSFORMATORY a.s. bought E.T.L. from 1st April 2008 as an independent department under the direct control of CEO, . E.T.L. doing electrical, electrotechnical, ventilation and hydraulic tests and measurements on all types of industrial equipment. E.T.L. is certified to compliance with the quality system Standard ČSN EN ISO/IEC 17 025 by The Czech Accreditation Institute for the implementation of selected types of electrical testing and HVAC testing for industrial equipment listed in the appendix of certificate of Accreditation.