WestRock Company announced that it has entered into agreements to acquire substantially all of the assets of Plymouth Packaging, Inc. Plymouth is a corrugated packaging company that derives approximately 70% of its sales from its “Box on Demand” systems and corrugated fanfold, and 30% from traditional corrugated box packaging.   Plymouth’s “Box on Demand” systems are located on the customer’s site and use fanfold corrugated to produce custom, on-demand corrugated packaging that is accurately s...