The investment in the Tampere plant will be completed by the end of September."This capacity increase in Tampere is an important step for Ahlstrom's Filtration Business Area, and we are committed to grow with our global customers in power generation and high efficiency air markets," states Fulvio Capussotti, Vice President, Advanced Filtration.Ahlstrom is the leading manufacturer of filtration materials globally with eleven production sites across four continents. Last year, the company acquired a transportation filtration plant in Binzhou, China, and announced a 17.5 million Euros investment to expand capacity in Turin, Italy. Ahlstrom recently announced an additional investment to its plant in Louveira, Brazil.