Gold Extraction, Gold Cyanide, Gold Manufacturing Process Xinhai Gold CIL Process is an efficient design of extracting gold. Cyaniding and carbon leaching crushed gold ore slurry lower the cost,increase gold .
This process is known as "reeding". It is done by a collar which is a part of the stamping operation. More than just a decoration, reeding was originally intended as a preventative measure to discourage the illegal shaving or clipping of the precious metal in the gold and silver coins.