# Lumien to invest 500 billion won in new semiconductor glass substrate factory in Gumi

Lumien signed an investment agreement with Gyeongbuk Province and Gumi City to invest 520 billion won by 2030 to build a new factory in Gumi National Industrial Complex for glass substrates and glass-based test sockets. The company plans to hire 1,023 new employees.

- Type: New facility
- Announced: 2025-07-28
- Where: Gumi, North Gyeongsang Province, South Korea
- Jobs: 1,023
- Starts operating: Dec 2025
- Status: announced
- Products: glass substrates, glass-based test sockets, glass-based interposer
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Lumien](https://endata.com/companies/86269.md)

## Sources

- [mk.co.kr](https://www.mk.co.kr/en/society/11379349), 2025-07-28: "Lumien, a semiconductor parts company, will invest 500 billion won in the Gumi National Industrial Complex 1 in North Gyeongsang Province to build a new factory to manufacture glass substrates and glass-based test sockets."

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