Brief: Metsa Board, Heidelberger Druckmaschinen Enter Into Strategic Collaboration
May 7 (Reuters) - Metsa Board Oyj METSB.HE: AND HEIDELBERGER DRUCKMASCHINEN ENTERED INTO A STRATEGIC COLLABORATION Further company coverage: METSB.HE (Gdansk Newsroom) ((gdansk.newsroom@thomsonreuters.com;))