A century of experience in the feed milling and other related industries around the world is reflected in the technology and functionality of the Andritz Feed & Biofuel hammer mill. The Andritz Feed & Biofuel hammer mill series consists of the Multimill and Optimill series. The Multimill series includes fine-grinding hammer mills for the high-capacity production of aquatic food, petfood and other fine-ground materials. The Optimill series includes hammer mills for raw material grinding of normal to coarse-structured feed products, such as cattle, pig and poultry feeds.