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Fermentation reactor
Outside view of the site in Slough, UK
In 1996, Lonza took an important transformational step into the field of biotechnology with the acquisition of Celltech Biologics, a leading manufacturer of therapeutic proteins for pharmaceutical customers. The Celltech acquisition brought Lonza two major facilities -- in Slough, UK and Portsmouth, New Hampshire USA -- that remain vital hubs of the Mammalian Manufacturing (biologics) business unit.