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    Gold mining is the resource extraction of gold by mining. Contents. 1 History; 2 Statistics .. Larger commercial placer mining operations employ screening plants, . Small suction dredges are much more efficient at extracting smaller gold than . Also called a cradle, it uses riffles located in a high walled box to trap gold in a.

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    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.