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Jun 8, 2009 . Gold is a very rare and precious metal that is soft, malleable and heavy, and it is often found with other minerals, such as quartz. Learn about.contact us
Oct 11, 2013 . Silver, Gold, and Platinum group metals ores are presented in this second video which educates viewers on exploration and mining of precious.contact us
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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.