# Denka completes new polyethylene drainage pipe plant in Kumamoto

Denka and its group company Kyushu Plastic Industry have completed construction of a new plant for polyethylene drainage pipes 'Toyodren' in Tamana City, Kumamoto Prefecture. The investment was approximately 2.3 billion yen, increasing production capacity by about 60% and inventory capacity by about 80%.

- Type: New facility
- Announced: 2025-05-23
- Where: Tamana City, Kumamoto Prefecture, Japan, Japan
- Value: $1.60M (230.0M JPY)
- Starts operating: 23 May 2025
- Status: completed
- Products: polyethylene drainage pipes (Toyodren)
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Denka](https://endata.com/companies/46318.md)
- [Kyushu Plastic Industry](https://endata.com/companies/66308.md) (partner)

## Sources

- [nikkei.com](https://www.nikkei.com/article/DGXZQOUC2631I0W5A520C2000000/), 2025-05-26: "デンカとグループ会社の九州プラスチック工業はポリエチレン製排水管「トヨドレン」を製造するための新工場を熊本県玉名市の産業団地に建設し、5月23日に竣工したと発表した。"

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