- China’s aluminium output rises y-o-y in May
- Indonesia ramps up stainless steel production
Base metals prices on the London Metal Exchange (LME) remained range-bound d-o-d, with aluminium decreasing by 1.00% to $2,552/tonne (t). Meanwhile, inventories at LME-registered warehouses saw negative trends d-o-d, with copper recording the highest decline of 3.75%.
Indian market overview
In India’s non-ferrous metals markets, BigMint assessed domestic copper armature scrap at INR 805,000/t ex-Delhi, stable d-o-d. Aluminium Tense scrap prices remained stable d-o-d, with ex-Delhi at INR 197,000/t and ex-Chennai at INR 198,000/t.

Market updates
China’s aluminium output sees steady growth in May
China’s aluminium sector continued its steady expansion in May 2025. Primary aluminium output rose 5% y-o-y to 3.83 million tonnes (mnt), while alloy output surged 16.7%. Alumina and aluminium product production also saw modest growth. Cumulative output for January-May indicated strong performance across segments, driven by rising industrial demand and stable production activity.
Indonesia boosts stainless steel output for oil, gas sector
Indonesia is ramping up stainless steel production to support its oil and gas industry and cut import reliance. Key projects include PT CT Advance Technology’s anti-corrosion stainless steel plant and PT Artas Energi’s seamless pipe facility. Backed by foreign partnerships and nickel downstreaming policies, these efforts aim to position Indonesia as a global stainless steel hub.

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