# Hyosung TNC begins bio-BDO production in Vietnam

Hyosung TNC began bio-BDO production in Vietnam at a facility with an initial capacity of 50,000 metric tons per year, as part of a planned $1 billion investment. The company intends to increase annual capacity in phases to 200,000 metric tons.

- Type: New facility
- Announced: 2026-11-06
- Where: Vietnam, Vietnam
- Value: $1.00B
- Starts operating: 6 Nov 2026
- Status: completed
- Capacity: 50,000 metric tons per year (initial); 200,000 metric tons per year (planned)
- Products: bio-BDO (bio-based 1,4-butanediol), PTMG, regen BIO spandex
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Hyosung TNC](https://endata.com/companies/33775.md)

## Sources

- [nonwovens-industry.com](https://www.nonwovens-industry.com/breaking-news/hyosung-tnc-begins-bio-bdo-production-in-vietnam/), 2026-11-06: "Hyosung TNC beginning bio-BDO production in Vietnam and completing an integrated production network from sugarcane-derived raw materials to finished bio-based spandex."

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