We provide comprehensive services to customers around the world from 18 locations both domestically and internationally, including partner and cooperative factories.

We can perform chrome plating on large components at 4 domestic locations and 12 overseas locations. We can provide the same quality as in Japan overseas as well. Additionally, in the technical department, we have various testing machines and analytical equipment, conducting research and development for internal purposes as well as testing requests from external clients. 【Other Surface Treatments】 ■ TD Treatment (USA) - VC diffusion penetration through immersion in a high-temperature salt bath - Surface hardness: 3,400 to 3,600 Hv - Improved wear resistance and anti-adhesion properties ■ DLC-Si (USA) - Coating technology that incorporates silicon into DLC (licensed by Toyota Central R&D Labs) - Surface hardness: 2,000 to 2,500 Hv - Improved anti-adhesion and seizure resistance due to high adhesion and low friction ■ Plasma Nitriding (Korea) - Nitrogen diffusion penetration through glow discharge in a vacuum furnace - Compound layer surface hardness: 1,000 to 1,200 Hv - Treatment applicable to large molds ■ Laser Hardening (Korea) - Hardening treatment using semiconductor lasers - Surface hardness: 1,000 to 1,100 Hv - Higher reliability and less thermal distortion compared to other hardening methods, etc. *For more details, please download the materials or contact us.

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