MANCHESTER-based packaging firm Duo has won a five-year deal to become the sole supplier of polythene mailing bags to cataloge giant JD Williams - part of the N Brown Group.Family-owned Duo, which turns over £20m, first began working with JD Williams in 2002 and has completed a series of rolling one-year deals ever since, but the new deal gives the firm exclusivity of supply over a longer period of time.JD Williams’ packaging manager, Peter Collins, said: “This is an unprecedented contract for us – previousl......for the full story register now for free or login below...