# Dayang Biology to build PEEK and DFBP plant in Jiande, China

Zhejiang Dayang Biology Technology Group announced a new project to produce 2,000 tonnes per year of PEEK and key intermediate DFBP in the Dayang block of Jiande High-Tech Industrial Park, with a total investment of ¥193.25 million. The board approved the plan on December 11, 2025, subject to shareholder approval.

- Type: New facility
- Announced: 2025-12-11
- Where: Jiande High-Tech Industrial Park, Dayang block, Zhejiang, China
- Value: $27.0M (193.3M CNY)
- Status: announced
- Capacity: 2,000 tonnes per year of PEEK
- Products: polyetheretherketone (PEEK), 4,4′-difluorobenzophenone (DFBP)
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Zhejiang Dayang Biology Technology Group](https://endata.com/companies/89097.md)

## Sources

- [hibor.com.cn](https://www.hibor.com.cn/repinfodetail_4768452.html), 2025-12-12: "公司项目同时布局PEEK及核心中间体，有利于打破海外对产业链的双重封锁，提升我国高端新材料自给能力。"

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