Based on previous successful service work in 2018 and 2020 Moravia Systems was selected as the main supplier of block 25 valve repairs for this year's shutdown of the Kralupy refinery. Friday 25.3. the first truck with 62 pieces of gate valves and safety valves arrived for repairs, they must be returned within the week repaired back to the refinery. In the current, very nervous, situation in the field of fuels, the successful management of downtime work within the specified deadlines is absolutely essential, which places great demands on the service organizations that participate in the outage. Our service team has extensive experience with similar events and its quality and work management provides assurance that downtime work will take place in the required quality and deadlines. This contributes to the successful management of the entire event.