The Core Platform Connecting the Global Manganese Industry
Uniting mining, alloy, metal, battery-material, technology, and supply-chain partners to advance a sustainable manganese future.
Strategic Material
Manganese: Cornerstone of Modern Industry and the Energy Transition
From steel strengthening and alloy smelting to EV-battery cathodes, manganese is an indispensable element of 21st-century advanced manufacturing and low-carbon energy.
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Sharing · Independence · Engagement · Service
GMA unites the global manganese value chain around four core values, driving a collaborative, mutually beneficial, and sustainable industry.
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Independent Development
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Industry News
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Authoritative updates on association developments, policy analysis, and industry trends.

Consolidated Minerals (CML) Releases November 2026 Australian Lump Ore Offers for China
Australian lump ore (Mn>44%, Fe<4% , SiO2%>20%)
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South32 Released November 2026 Manganese Ore Offers for China
South African semi‑carbonate & Australian lump
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COMILOG Announces November 2026 Gabonese Lump Ore Offers for China
Gabonese Lump Ore
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