- NBSK: Sulphate bleached softwood pulp , from the mill of Zellstoff Stendal in Germany, that belongs to the Mercer Group (ECF y TCF).
- CTMP: Chemical termomechanical softwood pulp , from the mill of Waggeryd in Sweden.
- Sulphite pulp: softwood pulp of the mill of Nymo.
- Unbleached kraft pulp: Russian pine unbleached pulp, from Kotlas mill.
- FSC ® Licence nº FSC C-104696
BOARD OF SHAREHOLDERS COMMITMENT