Nagano Forging

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.
Afterparts We will deliver the highest satisfaction to everyone in the world.
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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