![]() Niobium Microsystems Niobium Microsystems is a company that manufactures ready-to-order Niobium products. | ![]() 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 1955 | Founding Date 1956 |
Type | Type Subsidiary | Type Private |
Tags | ||
Locations | Locations Araxá, BR HQ | Locations Tokyo, JP HQ Guangzhou, CN Qidong, CN Shanghai, CN Shenzhen, CN Shen Zhen Shi, CN Suzhou, CN see more |
Employees | Employees 4 | 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.
View company