Bidding for Tibet's Duolong Copper Mine Expansion Project Begins, Winners to Be Announced Soon

Published: Feb 13, 2026 11:19

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On February 5, 2026, the bidding for the 75 million t/a mining and processing engineering design project of the Duolong Copper Mine in Gaize County, Tibet Autonomous Region, officially commenced, and the list of bid-winning candidates was publicly announced, with the publicity period lasting until February 8. Tibet Hongda Duolong Copper Mine has mineral reserves of 1,440.583 million tons, with average grades of 0.48% Cu, 0.21 g/t Au, and 1.22 g/t Ag; the proven copper resource volume is approximately 20 million tons.

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