# Weiwan Seals to invest up to CNY 150M in polyurethane plant

Weiwan Seals (唯万密封) plans to invest up to CNY 150 million through its subsidiary Zhejiang Weiwan New Materials to build a high-performance polyurethane new materials R&D and production facility in Jiashan, Zhejiang. The plant will have an annual capacity of 4,000 tonnes and a construction period of 3 years.

- Type: New facility
- Announced: 2026-08-24
- Where: Jiashan, Zhejiang, China
- Value: $21.0M (150.0M CNY)
- Status: announced
- Capacity: 4,000 tonnes per year
- Products: high-performance polyurethane new materials
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md), [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Weiwan Seals](https://endata.com/companies/93804.md)

## Sources

- [finance.jrj.com.cn](https://finance.jrj.com.cn/2026/08/24182658218150.shtml), 2026-08-24: "项目计划投资总额不超过人民币1.50亿元，预计形成年产4000吨高性能聚氨酯新材料的生产能力"

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