Commissioning and trial operation, Design, Equipment integration, On-site supervision, Reference EPS, Mining Basin “KOLUBARA”, Lazarevac Design, integration and commissioning of frequency converters (2x200kW) for heating pump stations 9 April 2021/by admin https://itinzenjering.rs/wp-content/uploads/2021/04/ref8.png 744 1227 admin https://itinzenjering.rs/wp-content/uploads/2021/04/it-inzenjering-logo.svg admin2021-04-09 09:08:322021-04-20 14:21:57EPS, Mining Basin “KOLUBARA”, Lazarevac