# Shandong Dawn Polymer to invest 500M yuan in EPDM rubber expansion

Shandong Dawn Polymer Materials Co., Ltd. announced its subsidiary Ningbo Aisikai Synthetic Rubber Co., Ltd. will invest 500 million yuan to expand EPDM production capacity by 25,000 tons per year, increasing total capacity from 65,000 to 90,000 tons per year.

- Type: Expansion
- Announced: 2026-06-09
- Where: Ningbo, China
- Value: $70.0M (500.0M CNY)
- Status: announced
- Capacity: 25,000 tons per year of EPDM (additional); total 90,000 tons per year
- Products: ethylene propylene diene monomer (EPDM) rubber
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Shandong Dawn Polymer Materials Co., Ltd.](https://endata.com/companies/92403.md)
- [Ningbo Aisikai Synthetic Rubber Co., Ltd.](https://endata.com/companies/92404.md)

## Sources

- [plastmatch.com](https://www.plastmatch.com/news/500-million-expansion-daon-shares-increases-neipkble-detail), 2026-06-10: "After the project is completed, Ningbo SK’s total EPDM production capacity will increase from 65,000 tons per year to 90,000 tons per year."

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