RHEWUM America. The sieve manufacturer that meets your requirements. We are the 100% subsidiary of RHEWUM Germany, which is developing and manufacturing screening machines and vibrating feeders since the beginning of the 1950s. These include the entire field of dry and wet screening machines which are used for a vast variety. With our screening and classifying technology, our customers can offer the finest quality products and are always one step ahead of the competition. This is what we stands for.