GreenFirst Forest Products has closed on the previously announced acquisition of Rayonier Advanced Materials for $235 million. Rayonier operated six sawmills and one newsprint mill in Canada.  The acquisition establishes GreenFirst as a significant player in the Canadian forest products industry.  “The closing of this transaction is a significant milestone for GreenFirst, representing the culmination of a year of hard work and tremendous effort by all those involved," said chairman Paul Rivett. "GreenFirst is now well-capitalized to begin the first chapter of its plan to become a premier lumber producer in North America ...