# Yuntianhua to build 100,000-ton copolymer formaldehyde unit in Chongqing

Yuntianhua's wholly-owned subsidiary Chongqing Yuntianhua Tianju New Materials plans to invest 1.857 billion yuan to build a 100,000 tons/year high-end copolymer formaldehyde resin project in Chongqing. The project includes supporting facilities and aims to increase high-end POM market share.

- Type: Expansion
- Announced: 2026-07-17
- Where: Chongqing, China
- Value: $255.0M (1.86B CNY)
- Status: announced
- Capacity: 100,000 tons/year high-end copolymer formaldehyde resin
- Products: high-end copolymer formaldehyde resin, polyoxymethylene
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Yuntianhua](https://endata.com/companies/51502.md)
- [Chongqing Yuntianhua Tianju New Materials](https://endata.com/companies/93086.md)

## Sources

- [news.chemnet.com](https://news.chemnet.com/news-7657.html), 2026-07-20: "The core objective of this expansion is to increase the market share of high-end products, consolidate industry competitive barriers, and fill the supply gap for high-end copolymer formaldehyde."
- [en.wedoany.com](https://en.wedoany.com/shortnews/414000.html), 2026-07-20: "The new project will address the supply gap in domestic high-end copolymer polyoxymethylene through comprehensive process upgrades and iterations."

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