1. In February 2011 , Cenveo Corporation sold its Envelope Products business , including the Columbian Brand Envelope , to the Quality Park Envelope Products Group of MeadWestvaco .
2. In February 2011 , Cenveo Corporation sold its Envelope Products Business including the Columbian Brand Envelope to MeadWestvaco 's Quality Park Envelope Products Group .

Are these two sentences paraphrases of each other?
yes