Tin, tantalum, tungsten, and gold mined in the Democratic Republic of Congo fund armed groups; US and EU law require importers to trace and disclose their supply chains.
Rare transition metal essential to capacitors in every smartphone, server, and weapon system; over 60 percent of global supply comes from artisanal mining in conflict-affected eastern DRC.
完整档案 ›A transition metal of which Brazil controls roughly 90% of world supply, niobium is the critical additive in high-strength steels used globally in cars, pipelines, and construction.
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