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    Apr 2, 2018 . Open pit mines are those mining operations that take place on the surface , unlike the underground mines. This is possible when the reservoir.

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  • Our Service

    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.