# Sedin Engineering signs contract for China's first COP polymer project

Sedin Engineering Co., Ltd. signed a contract with Huanxiting New Materials (Ningbo) Co., Ltd. for a 27,500-tonne-per-year cycloolefin polymer (COP) new materials project (Phase I: 5,000 t/y). The project is China's first commercial COP plant.

- Type: Contract
- Announced: 2026-04-08
- Where: Ningbo, Zhejiang, China
- Status: announced
- Capacity: 27,500 tonnes/year (total); 5,000 tonnes/year (Phase I)
- Products: cycloolefin polymer (COP) resin
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Sedin Engineering](https://endata.com/companies/63414.md) (supplier)
- [Huanxiting New Materials (Ningbo)](https://endata.com/companies/91081.md) (customer)

## Sources

- [sedin.com.cn](https://www.sedin.com.cn/index.php?a=show&c=index&catid=48&id=1415&m=content), 2026-04-08: "该项目是国内首套环烯烃聚合物新材料项目"

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