China’s metals association copper stockpile push: supply risk lens for mines
Reviewed by Tom Sullivan

First reported on MINING.com
30 Second Briefing
China’s state-backed China Nonferrous Metals Industry Association is urging Beijing to expand strategic copper reserves and coordinate with major state-owned producers to lift commercial inventories, while also considering adding copper concentrates to the stockpile. The move comes as the US launches “Project Vault”, a planned $12 billion strategic minerals reserve, and copper faces potential new US tariffs after being designated a critical mineral by the US Geological Survey. With mine disruptions and strong demand forecasts, London copper prices recently hit a record $14,500/t, up about 40% year-on-year.
Technical Brief
- Proposal explicitly involves coordination with “major state-owned producers”, implying central control over both strategic and commercial inventories.
- Market experts within the Association singled out copper concentrates as an additional material class for reserve build-up.
- Copper’s end-use profile in the briefing spans infrastructure, machinery, electronics and renewable energy, reinforcing exposure to construction and grid projects.
- The Association’s comments link copper’s new “critical mineral” status in the US directly to tariff risk under the Trump administration.
Our Take
China’s copper stockpiling push mirrors the US ‘Project Vault’ plan for a $12 billion strategic critical minerals reserve, signalling that both major consumers are moving towards state-backed inventory buffers rather than relying purely on spot markets.
With copper already up about 40% year-on-year in our coverage, any large-scale Chinese reserve build could tighten concentrates availability further and put cost pressure on US and European smelters that lack comparable state stockpiles.
Recent US-focused critical minerals pieces in our database emphasise dependence on Chinese supply chains; a Chinese copper reserve expansion would likely reinforce Washington’s case for accelerating domestic and allied copper projects under initiatives like Project Vault.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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