Profile: Orthos (Engineering) Ltd. specializes in powder processing equipment, and plant safety. We produce a range of shaking fluid bed dryers for powders, crystalline products, pellets or granules. Alexanderwerk grater shredders are primarily used in the chemical, pharmaceutical and food industries. These machines are generally used for cutting, loosening, granulating, and size reduction of dry or moist products. The grain size and shape of the final product can be determined through a choice of cylinders with different holes and tooth shapes.