# PetroChina's Blue Ocean New Materials plans $3.1B ethylene and chemical expansion in Tongzhou Bay

Blue Ocean New Materials (Tongzhou Bay) Co., Ltd., a PetroChina affiliate, disclosed an environmental impact assessment for a 22.24 billion yuan expansion project in Tongzhou Bay, Jiangsu, China. The project will add million-ton-scale ethylene and high-end chemical new materials capacity, with a 36-month construction cycle.

- Type: Expansion
- Announced: 2026-07-07
- Where: Tongzhou Bay Green Chemical Expansion Zone (Main Port), Jiangsu, China
- Value: $3.10B (22.2B CNY)
- Status: announced
- Capacity: million-ton scale ethylene and high-end new materials
- Products: ethylene, high-end chemical new materials
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Blue Ocean New Materials (Tongzhou Bay)](https://endata.com/companies/83693.md)
- [China National Petroleum Corp.](https://endata.com/companies/6034.md) (partner)

## Sources

- [news.chemnet.com](https://news.chemnet.com/news-7162.html), 2026-07-07: "This project is a key expansion project of an enterprise under PetroChina."

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