- 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.
- 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.
- 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.
- Chotan Toyoda
Seisakusho Co., Ltd.
- Nakano Stamping Co., Ltd.