Sterling Systems & Controls Minor Material Weighing and Batching Systems are proven designs that will increase batch quality and production capacity. The proposed system utilizes feeders that have a unique screw design that provides high speed conveying in the fast mode of operation and excellent repeatability and accuracy in the slow mode of operation.With 42 years of Batching & Process Control experience, Sterling Systems & Controls offers the best solution in manufacturing automation through process controls, specialized weighing systems, and micro material handling equipment, located in Sterling, IL.