With improvement spirit we intent to increase the quality of product so that the product would be a product which meet Customer Requirement and become the most wanted product for companies who building Power Plant and Electrical Substation. PT. EDK provide Electrical Calibration Laboratory (Laboratorium Kalibrasi Kelistrikan), We believe that PT. EDK will have an important roles in supporting Project of Electrical Generation, Transmision and Distribution in our country, Indonesia.