Tevion is a brand of Aldi-SÃ¼d. A discount supermarket chain with branches in several european countries, the USA and Australia.
Support is either provided by Medion or Siemssen. Please check the documentation of your device.
Very often, the stuff sold under the Tevion brand is generic. Perhaps the PID and VID shown by device manager help finding the manufacturer. For drivers, you might also check if Windows Update does help (it does often).