Sunds offers a wide range of process technologies for panelboard production. Including refiner / defibraotor. In 1999, Sunds Defibrator merged into Valmet.

Sunds L-36 defibrator
L-36
Sunds L-36B defibrator
L-36B, 990s refiner still at work
Sunds L-46 defibrator
L-46, A Sunds L-46 refiner actively running in Malaysia
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