F.B. Lehmann, a new member of the Royal Duyvis Wiener group, specializes in equipment for the chocolate-, cocoa-, and nut-processing industries. Lehmann is well known for its bean intake, winnowing, roasting, stone mill grinding and horizontal ball mill grinding as well as its unique state of the art 5-roll refiners for chocolate manufacturing, compound coatings, nut butters, crèmes, spreads, fillings and fat binders.  Lehmann also specializes in storage and buffer systems as well as conveying, weighing and mixing.