Factory/PlantAutomotive & transport

Ninomiya to build new casting plant at Nishio headquarters site, doubling capacity

Ninomiya Co., Ltd.Nishio, AichiPublished Jul 11, 2026

InvestmentNot disclosed

PhaseCompleted

Start—

CompletionMar 17, 2026

Auto parts casting maker Ninomiya (Nishio, Aichi) has constructed a new factory on its headquarters site, set to begin full operation this autumn. Combined with the existing plant, production capacity will more than double, supporting diversification into construction machinery and semiconductor equipment parts to reduce automotive dependency to around 70%.

Project facts

Owner: Ninomiya Co., Ltd.
Facility: Factory/Plant
Sector: Automotive & transport
Location: Nishio, Aichi, Japan
Investment: Not disclosed
Completion: Mar 17, 2026
Announced: Mar 17, 2026
Themes: semiconductor-supply-chain

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

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