![]() 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. | ![]() Mitsui Kinzoku Mitsui Kinzoku (三井金属株式会社, formerly Mitsui Mining and Smelting) is a manufacturing company dealing with non-ferrous metal materials. | |
Founding Date | Founding Date 1956 | Founding Date 1874 |
Type | Type Private | Type Public |
Tags | ||
Locations | Locations Tokyo, JP HQ Guangzhou, CN Qidong, CN Shanghai, CN Shenzhen, CN Shen Zhen Shi, CN Suzhou, CN see more | |
Employees | Employees 27,771 | Employees 12,097 |
Financial | ||
Revenue (est.) | Revenue (est.) ¥1.1t (FY, 2023) | Revenue (est.) ¥712.3b (FY, 2025) |
Cost of goods | Cost of goods ¥904.4b (FY, 2023) | Cost of goods ¥532.3b (FY, 2025) |
Gross profit | Gross profit ¥219.6b (FY, 2023) | Gross profit ¥180.1b (FY, 2025) |
Net income | Net income ¥23.2b (FY, 2023) | Net income ¥67.5b (FY, 2025) |

Mitsui Kinzoku (三井金属株式会社, formerly Mitsui Mining and Smelting) is a manufacturing company dealing with non-ferrous metal materials.
View company