# SCG Chemicals targets Q2 2027 restart for Long Son Petrochemicals complex

Long Son Petrochemicals, wholly owned by SCG Chemicals, targets restart of its $5.4 billion integrated petrochemical complex in southern Vietnam in Q2 2027 after a shutdown in May 2026 due to feedstock supply disruption.

- Type: Investment
- Announced: 2026-11-11
- Where: Long Son, southern Vietnam, Vietnam
- Value: $5.40B
- Starts operating: Q2 2027
- Status: announced
- Capacity: 1.4 million tonnes of polyolefins per year
- Products: polyolefins, ethylene, propylene
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md), [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [SCG Chemicals](https://endata.com/companies/7171.md)
- [Siam Cement](https://endata.com/companies/6339.md) (partner)

## Sources

- [eastasiabrief.com](https://eastasiabrief.com/trade-policy/scg-sets-second-quarter-2027-restart-5-4bn-vietnam-1327), 2026-11-11: "Long Son Petrochemicals said Nov. 11, 2026, it is targeting the restart of its integrated petrochemical complex in southern Vietnam in the second quarter of 2027."

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