🇬🇳 Guinea Tightens the Global Bauxite “Choke Point”

The market is now revolving around a shocking figure: Guinea is expected to impose a hard export cap of 150 million tonnes per year for 2026, compared with the 178 million tonnes actually exported in 2025—a reduction of 28 million tonnes, equivalent to nearly 16%.

This policy reflects Conakry’s deliberate strategy of resource nationalism, similar to the paths previously taken by Indonesia with nickel and Zimbabwe with lithium.

What makes Guinea particularly critical to the global supply chain is that Chinese alumina refineries are specifically designed around the characteristics of Guinea’s gibbsite ore, which requires less energy for processing. When forced to switch to Australian ores such as boehmite and diaspore, these refineries face significantly higher operating and financial costs, making substitution extremely difficult in the short term. Notably, even mere rumors of tighter policies were enough to push spot alumina prices on the SHFE up nearly 5% in a single session, highlighting both the structural dependence and the market’s current sensitivity.

⚡ The Double Blow from the Middle East

While Guinea tightens the upstream valve, the Middle East—which accounts for approximately 9% of global aluminium production—is suffering direct damage from disruptions in the Strait of Hormuz.EGA (UAE) and ALBA (Bahrain), two of the world’s largest aluminium smelting complexes, have been severely affected.

According to shipping data from Kpler, regional producers are being forced to reroute bauxite and alumina shipments through India before transferring them onto smaller vessels for final delivery, significantly increasing logistics costs.EGA’s Al Taweelah facility is expected to require at least one year to restore full capacity, while Bahrain’s ALBA has temporarily suspended operations. This represents a double shock to supply, pushing the LME market into backwardation—a clear sign that physical market tightness is genuine.

🇨🇳 China: From Oversupply Paradox to Cost Defense Mode

At the beginning of 2026, the market experienced a paradox: Guinea had actually increased production to record levels, with export potential exceeding 220 million tonnes following the restart of the Nimba and Axis mines.

This oversupply pressure pushed long-term bauxite contract prices down from USD 66/T to USD 62/T in January 2026.

However, by June the balance had completely reversed. Conakry’s new export-control policy has effectively erased the previous oversupply advantage.

The market is relearning an old lesson:
When supply is concentrated in a single geography, policy risk can override all conventional supply-demand calculations.
SHFE’s emergency approval to double alumina warehouse capacity to 100,000 tonnes in Gansu demonstrates that both China’s financial and industrial systems are shifting into a serious cost-defense posture.