ZGM offers quality wines and beverages — Made in Germany! Zimmermann-Graeff & Muller, based in Zell at the Moselle river, is one of Germany's leading wine companies. Our family business was founded in 1886 and is nowadays run by the 5th generation. We have wines (red, white & rose) from different countries of Europe and from the New World in bottles & also in 3,0 bag-in-boxes available.