![]() 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. | ![]() Niterra Niterra (日本特殊陶業株式会社, formerly known as NGK Spark Plug) is a company that manufactures ceramic products. | |
Founding Date | Founding Date 1956 | Founding Date 1936 |
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 | Locations Nagoya, JP HQ Mentone, AU Sao Paulo, BR Markham, CA Changshu, CN Shanghai, CN Le Plessis Robinson, FR see more |
Employees | Employees 27,771 | Employees 15,6442% decrease |
Financial | ||
Revenue (est.) | Revenue (est.) ¥1.1t (FY, 2023) | Revenue (est.) ¥731.2b (FY, 2026) |
Cost of goods | Cost of goods ¥904.4b (FY, 2023) | Cost of goods ¥416.2b (FY, 2026) |
Gross profit | Gross profit ¥219.6b (FY, 2023) | Gross profit ¥317.7b (FY, 2026) |
Net income | Net income ¥23.2b (FY, 2023) | Net income ¥116.5b (FY, 2026) |

Niterra (日本特殊陶業株式会社, formerly known as NGK Spark Plug) is a company that manufactures ceramic products.
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