Mixer Systems/Dustmaster Enviro Systems is an American manufacturer and metal fabricator of four (4) different types of compulsory, mechanical, batch mixers and industrial batching systems and plants. Our mixing systems include high/low shear batch mixers, powder & aggregate weighing/volumetric batchers, material & aggregate conveyor belts, powder screw and conveying systems, powder and material storage silos and control systems. We also design, fabricate and supply hammermill crushers for concrete, glass and related materials; aggregate and cullet heating systems to thaw out frozen materials. We offer engineering services, complete turnkey systems and can help you identify and design a customized mixing and batching system. Located near Milwaukee, Wisconsin, USA, we have supplied over 4, 200 different mixing and batching projects in 51 countries since 1955; our mixers are for either wet or dry materials, and range in size from 5 cubic feet to 162 cubic feet per batch.