China’s exports of two critical minerals—antimony and germanium—have fallen sharply in recent months as the government enforces stricter export controls and intensifies efforts to curb smuggling. Shipments in June were more than 88% lower than in January, reflecting both regulatory tightening and enforcement actions across the supply chain.
Unlike rare earths, which have seen export volumes recover following a recent U.S.-China agreement, antimony and germanium supplies remain at or near record lows. These metals play important roles in electronics, solar photovoltaic cells, fiber optics and certain military technologies, so the constrained flows are creating supply pressure and contributing to steep price increases.
The drop in outbound shipments results from several factors: tougher licensing requirements, closer scrutiny of exporters and intermediaries, and more aggressive anti-smuggling operations targeting illicit cross-border trade. These measures aim to secure strategic materials and ensure they are used in ways consistent with national priorities, but they also reduce availability for global manufacturers and downstream industries that rely on steady imports.
Market responses have been swift. With inventories thin and new supplies limited, buyers are competing for available material, driving up spot prices and increasing volatility. Manufacturers that depend on antimony for flame retardants, lead-acid batteries and other industrial applications, or on germanium for infrared optics, fiber-optic systems and high-efficiency solar cells, face higher input costs and potential production bottlenecks.
Supply-chain managers are reacting by seeking alternative sources, increasing recycling efforts and accelerating qualification of substitute materials where feasible. However, building new, reliable supply chains for these specialized metals can take time, and substitutes may not match the performance characteristics required for certain advanced technologies.
Analysts caution that if export controls and anti-smuggling enforcement remain stringent, tight market conditions could persist for months. That would likely sustain elevated prices and could prompt longer-term shifts in procurement strategies, material research and investment in domestic or allied-sourced production capacity.
For companies and policymakers, the situation underscores the strategic importance of secure, diversified supply chains for critical minerals. Monitoring regulatory developments and maintaining flexible sourcing strategies will be essential to manage risk and mitigate the economic impact of continued export constraints.