# Hyosung TNC starts commercial operation of $1B bio-spandex production system in Vietnam

Hyosung TNC has begun commercial operation of a 50,000-ton-per-year Bio-BDO plant in Ho Chi Minh City, Vietnam, as part of a $1 billion fully integrated bio-spandex production system connecting sugarcane-based raw materials to finished fiber.

- Type: New facility
- Announced: 2026-08-31
- Where: Ho Chi Minh City and Dong Nai, Vietnam, Vietnam
- Value: $1.00B
- Starts operating: 31 Aug 2026
- Status: completed
- Capacity: 50,000 tons per year of Bio-BDO, expandable to 200,000 tons per year
- Products: Bio-BDO, PTMG, regen Bio spandex
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Industrial Textiles](https://endata.com/sectors/industrial-textiles.md)

## Companies

- [Hyosung Heavy Industries](https://endata.com/companies/5898.md)

## Sources

- [hyosung.com](https://www.hyosung.com/en/newsroom/view/19306), 2026-08-31: "Hyosung TNC has officially begun commercial operation of its 50,000-ton-per-year Bio-BDO (Butanediol) plant built in Ho Chi Minh City, Vietnam."

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