Please check if these have the same meaning. Answer "yes" if they do, otherwise "no".
In February 2011 , Cenveo Corporation sold its Envelope Products business , including the Columbian Brand Envelope , to the Quality Park Envelope Products Group of MeadWestvaco .
In February 2011 , MeadWestvaco sold its Envelope Products Business including the Columbian Brand Envelope to Cenveo Corporation 's Quality Park Envelope Products Group .
no