Nihon Kagaku Sangyo

Metal Chemicals & Building Materials · Taito, Tokyo

Nihon Kagaku Sangyo develops and manufactures metal-based chemical products for electronics, optical and precision equipment, ceramics, petrochemical catalysts, healthcare and battery materials. Its products include nickel sulfamate used in plating applications.

The building-materials business uses metal-forming technology to produce components for fire protection, ventilation and weatherproofing. Products include fire-resistant ventilation trims for eaves, canopies, pipe covers and stainless-steel handrails designed for the function and appearance of house exteriors. The company had 454 consolidated employees as of March 31, 2026.