The GU Group at trade fairs The Gretsch­-Unitas Group partici­pates in trade fairs and exhibi­tions to pro­vide informa­tion on new pro­ducts and pro­duct deve­lop­ments. It is rep­re­sented at all relevant exhibi­tions of the specialised trade and the window fabrica­ting sector as well as at fairs for architects and plan­ners at home and abroad.  security…