# Stemco to invest KRW 150B in ID-Coil production facility expansion

Stemco signed an investment agreement with Chungcheongbuk-do and Cheongju to invest KRW 150 billion (including ~KRW 85 billion foreign direct investment) to expand ID-Coil production capacity. A new 21,770 m² production building will be built on a 47,036 m² site in Oksan-myeon, Cheongju.

- Type: Expansion
- Announced: 2026-08-06
- Where: Oksan-myeon, Cheongju, Chungcheongbuk-do, South Korea
- Value: $112.5M (150.0B KRW)
- Status: announced
- Products: ID-Coil (thin-film power inductor core component)
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [STEMCO](https://endata.com/companies/48138.md)
- [Toray Industries](https://endata.com/companies/4565.md) (partner)
- [Samsung Electro-Mechanics](https://endata.com/companies/15109.md) (partner)

## Sources

- [sedaily.com](https://www.sedaily.com/article/20076596), 2026-08-06: "스템코는 박막형 파워 인덕터용 핵심 부품인 ID-Coil 전용 생산라인을 확충하기 위해 총 1500억 원(외국인직접투자 약 850억 원 포함)을 투자하겠다고 약속했다."
- [pressna.com](http://www.pressna.com/news/newsview.php?ncode=1065609019857036), 2026-09-01: "이번 제2공장 투자는 단순한 생산능력 확대를 넘어 스템코의 경쟁력을 한 단계 높이고 새로운 성장을 위한 중요한 전환점이 될 것"

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