lao cai mineriacutea and mineral processing jsc

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    2006 - USGS Mineral Resources Program - U.S. Geological Survey

    in Vietnam's northern Province of Lao Cai and a zinc mining and refining facility in . Vietnam's major processed minerals were cement, refined copper, fertilizer ... Cao Son Coal Joint-Stock Company, Vinacomin Coc Sau Coal. Joint-Stock.

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