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Die Forging
We manufacture pressed and hammered die forged products up to 20kg.
In addition, we employ techniques ranging from heat treatments such as hardening, normalizing and annealing, to shot blasting and to machining.
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Engine Valves
Along with leading engine valve makers in Japan, we manufacture products at our facilities with our own original equipment, utilizing the upset forging method.
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Machining / Assembly
The strength of our company lies in machining forged parts, especially those of hard to manufacture materials such as stainless steel, heat-resistant steel, super alloys and heat-resistant cast steel. In addition, we conduct press-fitting, riveting, welding and assembly. It is possible to integrate all stages of production, from machining to assembly.
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High-Precision Dies
Our company manufactures and designs high precision parts made of tungsten carbide and high strength steel. We can deliver a working tolerance of 1 micrometer.
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Technological Development
Aiming at more sophisticated manufacturing, we have taken innovative steps in developing advanced technology and materials, as well as a new manufacturing method. Recently, we have received requests from aircraft manufacturers to produce prototype components.
▶Group Companies
- Chotan Toyoda
Seisakusho Co., Ltd. - Nakano Stamping Co., Ltd.
