Article3 min read Nov 13, 2025Finnish Bioeconomy Hub Grows Around Metsä Fibre’s Flagship MillIn the Finnish town of Äänekoski, a unique model of industrial symbiosis has taken shape around Metsä Fibre’s bioproduct mill, which started operations in 2017. The mill produces high-quality pulp but also functions as an energy producer and raw material supplier for a growing network of industrial partners.