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Proterial (formerly Hitachi Metals) NEOMAX magnet plant, Kumagaya Works, Kumagaya, Saitama, Japan
Proterial (formerly Hitachi Metals) NEOMAX magnet plant, Kumagaya Works, Kumagaya, Saitama, Japan
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Proterial, Ltd. · Japan
Japan
rare earths
magnet material
magnet
recycle
separate
Checked 9 November 2026 · source dated 2018
MED
Who
Proterial, Ltd.
Proterial, Ltd.
What
rare earths — magnet, recycle, separate
Capacity
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Status
Operating
Actual output
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Who they sell to
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Notes
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Proof
Checked 9 November 2026 · source dated 2018
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