
Frontera and Kupari Launch Sale of Piedras Verdes Copper Complex
Frontera Copper Corporation and Kupari Investments Ltd. have initiated a formal auction for the Piedras Verdes mine complex in Sonora, Mexico. The companies are offloading their entire equity stake in the operation, capitalizing on a global copper market currently squeezed by electrification demand and a scarcity of new production sites.























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