Canadian company Catalyst Paper Corp. is selling its US operations, including a pair of paper mills in Maine and Wisconsin, to a Chinese company Nine Dragons Paper. Nine Dragons Paper is paying US$175 million for the mills and an operations centre in Dayton, Ohio. There are no plans for lay-offs at the mills, which employ about 610 workers in Rumford, Maine, and 380 workers in Biron, Wisconsin, a spokeswoman said.