graphic packaging holding co. will buy folding carton converting and paperboard mill assets from cascades&39 norampac division in canada for 39 million.norampac operates three folding carton converting facilities in cobourg, ontario, mississauga, ontario and winnipeg, manitoba, along with a solid bleached sulfate substitute mill located in jonquiere, quebec and a coated recycled board mill located in east angus, quebec. the deal is expected to close in the first quarter of 2015."the acquisition of cascades&39 norampac paperboard assets enhances our position in north american folding cartons and enables us to extend our customer reach in canada," said david scheible, graphic packaging chairman, president and ceo, in a statement. "the transaction is a continuation of our acquisition strategy to grow integrated folding carton converting volumes in key geographies and endmarkets. these assets will broaden our customer base and allow us to offer our current customers a wider range of products."atlantabased graphic packaging nyse gpk provides packaging to food, beverage and other consumer products companies.