Eldon Biologicals A/S, a Danish manufacturer, specializes in producing dry format cards for blood grouping. Stemming from an innovation by Danish physician Knud Eldon, EldonCards have a long history of refinement, manufacture, and utilization.

The EldonCard represents the pinnacle of quality. It holds ISO certification, EU’s CE marking, approval from the US FDA, and registration with relevant authorities in various countries, including Ukraine. Eldon Biologicals also holds the distinction of being an approved NATO vendor. Notably, countries like the UK, the US, and Denmark routinely employ the EldonCard to bolster blood donor mobilization efforts.