# Koyo Sangyo to build new gas appliance valve plant in Joetsu, Niigata

Gas appliance maker Koyo Sangyo is building a new factory in Joetsu, Niigata, to expand gas appliance production capacity, with about ¥3.2 billion invested. Completion is planned for October 2025 and full operation from spring 2026.

- Type: New facility
- Announced: 2025-02-25
- Where: Joetsu, Niigata, Japan
- Value: $21.3M (3.20B JPY)
- Status: under construction
- Products: gas valves, gas pipe joints, railway vehicle valves, water faucet fittings
- Sectors: [Pumps and Valves](https://endata.com/sectors/pumps-valves.md)

## Companies

- [Koyo Sangyo](https://endata.com/companies/12812.md)

## Sources

- [niigata-nippo.co.jp](https://www.niigata-nippo.co.jp/articles/-/562226), 2025-02-25: "建築費と設備費で約３２億円を投資する。"

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