As a producer of protective relay tester, Vebko provides its clients with reliable devices, friendly user experience, and excellent customer service. Vebko was born in 2014 with the aim of domestic manufacturing of protective equipment such as relays and relay testers under the supervision of Amirkabir Polytechnic University. The company produces three types of relays (i.e., multi-function, distance, and differential) and a multi function relay and a tester kit called AMT 105.