After years of questionable and disputed yields from our outside refiners, in 1970 ETI decided that it would do its own Gold refining. A spinoff of this capability became Precious Metals Processing Consultants, Inc. (PMPC), a separate consultants whose major product is the renowned “Gold Bug” used for gold recovery around the world.

For the last 40 years, Epner Technology has done its own gold refining utilizing the remarkable gold and silver recovery system. A product of Precious Metals Processing Consultants, Inc.