# Tianjin Petrochemical starts construction of COC plant in Tianjin

Tianjin Petrochemical has started construction of a 1,000-ton-per-year cyclic olefin copolymer (COC) plant in Nangang Industrial Zone, Tianjin, with a total investment of about 50 million yuan. The project is planned to be completed in June 2027 and operational in September 2027.

- Type: New facility
- Announced: 2026-11-09
- Where: Nangang Industrial Zone, Tianjin, China
- Value: $7.00M (50.0M CNY)
- Starts operating: Sep 2027
- Status: under construction
- Capacity: 1,000 tons per year
- Products: cyclic olefin copolymer (COC)
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Tianjin Petrochemical](https://endata.com/companies/95466.md)
- [Sinopec](https://endata.com/companies/1143.md) (partner)

## Sources

- [seetaoe.com](https://www.seetaoe.com/details/283183.html), 2026-11-09: "This project aims to build a 1000 ton annual COC production facility, which is the first industrial project of Sinopec in the field of high-end cyclic olefin materials."

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