# DI Dongil merges with Dongil Aluminium to boost battery foil production

DI Dongil announced its merger with Dongil Aluminium to increase efficiency in aluminium foil production for batteries. Dongil Aluminium is constructing a new plant in Cheongju High-Tech Valley industrial complex on a 53,554 square metre site dedicated to battery foil production.

- Type: Acquisition
- Announced: 2025-08-04
- Where: Cheongju, South Korea
- Status: announced
- Products: aluminium foil for batteries
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [DI Dongil](https://endata.com/companies/86435.md) (acquirer)
- [Dongil Aluminium](https://endata.com/companies/86436.md) (target)

## Sources

- [asiansteelgroup.com](https://asiansteelgroup.com/di-dongil-dongil-aluminium-unite-to-enhance-aluminium-foil-production-for-its-batteries/), 2025-08-05: "Through this merger, we plan to strengthen our long-term growth foundation centred on advanced materials."

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