# TOK to build new Pyeongtaek plant in South Korea

TOKYO OHKA KOGYO CO., LTD. has decided to construct a new Pyeongtaek Plant in its consolidated subsidiary TOK Advanced Materials Co., Ltd. in Pyeongtaek, Gyeonggi Province, South Korea. The Phase 1 construction includes a high-purity chemical manufacturing building with an investment of approximately 12.0 billion yen.

- Type: New facility
- Announced: 2025-08-06
- Where: Pyeongtaek, Gyeonggi Province, South Korea
- Value: $84.0M (12.0B JPY)
- Starts operating: Q3 2027
- Status: announced
- Products: high-purity chemicals, photoresists
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Tokyo Ohka Kogyo](https://endata.com/companies/78092.md)
- [TOK Advanced Materials](https://endata.com/companies/86452.md)

## Sources

- [tok.co.jp](https://www.tok.co.jp/eng/news/2025/250806_5), 2025-08-06: "We have decided to acquire a new site for plant as announced in February 2024."

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