Continuative links
- Ingenieurbüro Stefan Friesdorf, auditing of seed processing plant and treating plants – www.saatgutbuero.de
- Octogon GmbH, consulting and project handling in steel and light gauge steel construction - www.octogon-gmbh.com
- Niklas GmbH Apparatebau, universal batch seed treaters, continuously seed treating units, scales - www.wn-niklas.de