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The Hidden Constraint in Critical Mineral Supply Chains

Apr 21, 2026

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2 min read

The Hidden Constraint in Critical Mineral Supply Chains

China’s sulphuric acid export ban highlights a deeper dependency beyond mining and refining

Ayush Agarwal

Minerals in Motion

A weekly briefing on the geopolitics and economics of critical minerals. Helping strategy leaders understand what’s changing, what matters, and what to watch next.

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