# Denka to exit cement business at Seikai plant by 2025

Denka announced it will completely withdraw from limestone mining and cement manufacturing at its Seikai plant in Itoigawa, Niigata, by the first half of 2025. It will transfer its cement sales subsidiary's shares to Taiheiyo Cement.

- Type: Closure
- Announced: 2022-10-25
- Where: Itoigawa, Niigata, Japan
- Status: announced
- Products: cement, limestone
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Denka](https://endata.com/companies/46318.md)
- [Taiheiyo Cement](https://endata.com/companies/32760.md) (acquirer)

## Sources

- [niikei.jp](https://www.niikei.jp/536881/), 2022-10-26: "デンカ株式会社（東京都）は２５日、同日開催した取締役会において、２０２５年上期を目途に石灰石の自社採掘およびセメント製造事業からの完全撤退を決議したと発表した。"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.