100 years of service | Deister Machine Company, Inc.From its first year in operation to the present, Deister Machine Company remains . own equipment, starting with a centrifugal separator that extracted gold from mercury . This equipment is used in all 50 states, Canada, and in many countries.used gold separation plant manufacturer canada,Extracting Gold | HowStuffWorksRemoving the gold-bearing rock from the ground is just the first step. To isolate pure gold, mining companies use a complex extraction process. The first step in.
used gold separation plant manufacturer canada