Kwai Logo
Kwai User Avatar
A vantagem da China nas terras raras não está principalmente em possuir todas as minas. Para elementos importantes usados em ímãs permanentes, a participação chinesa cresce muito nas etapas posteriores da cadeia, especialmente no refino e na fabricação de ímãs. O minério ainda precisa passar por separação, refino, produção de metais e ligas, transformação em material magnético e fabricação de ímãs de alto desempenho. Abrir novas minas pode reduzir a dependência na extração. Mas uma mina não
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Komentar
Memut
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