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Gold is also produced by mining in which it is not the principal product.Large copper mines, such as the bingham canyon mine in utah, often recover considerable amounts of gold and other metals along with copper.Some sand and gravel pits, such as those around denver, colorado, may recover small amounts of gold in their wash operations.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.