![]() Proterial Proterial (株式会社プロテリアル, formerly known as Hitachi Metals) is a company that manufactures steel, rolls, magnetic materials, power electronics, wires, and automotive parts. | ||
Founding Date | Founding Date 1863 | Founding Date 1956 |
Type | Type Private | Type Private |
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Locations | Locations Lüdenscheid, DE HQ | Locations Tokyo, JP HQ Guangzhou, CN Qidong, CN Shanghai, CN Shenzhen, CN Shen Zhen Shi, CN Suzhou, CN see more |
Employees | Employees 2210% increase | Employees 27,771 |

Proterial (株式会社プロテリアル, formerly known as Hitachi Metals) is a company that manufactures steel, rolls, magnetic materials, power electronics, wires, and automotive parts.
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