# China Chemical Sedin Ningbo signs contract for cycloolefin polymer project in Ningbo

China Chemical Sedin Ningbo Engineering Co., Ltd. signed a contract with Huanxiting New Materials (Ningbo) Co., Ltd. for a 27,500 tons/year cycloolefin polymer (COP) new materials project in Ningbo. The first phase will build a 5,000 tons/year COP resin production line.

- Type: Contract
- Announced: 2026-05-28
- Where: Ningbo, China
- Status: announced
- Capacity: 27,500 tons/year cycloolefin polymer (first phase 5,000 tons/year)
- Products: cycloolefin polymer (COP) resin
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Huanxiting New Materials (Ningbo)](https://endata.com/companies/91081.md) (customer)
- [China Chemical Sedin Ningbo Engineering Co., Ltd.](https://endata.com/companies/92178.md) (supplier)

## Sources

- [chemall.com.cn](https://www.chemall.com.cn/news/show-250914.html), 2026-05-28: "该项目是国内首套环烯烃聚合物新材料项目，也是中国化学工程在特种化工新材料领域的又一重要突破。"

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