# HD Hyundai Heavy union launches partial strike as shipyard wage talks break down

*Union delegates begin rotating walkouts across the Ulsan yard after rejecting management pay terms, testing delivery schedules for high-value gas carriers.*

**Published:** September 1, 2026  
**By:** Hyun-jung Lee  
**Section:** Shipbuilding & Defense — South Korea  
**Format:** Breaking  
**Confidence:** medium  
**Source:** https://eastasiabrief.com/shipbuilding/hd-hyundai-heavy-union-launches-partial-strike-shipyard-wage-151  
**Publisher:** East Asia Brief (https://eastasiabrief.com/)

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## What to know

- The labor union at HD Hyundai Heavy Industries rejected a company wage proposal on Sept.
- The action comes as South Korean shipyards manage full order books stretching past 2028, with delivery slots dominated by high-margin liquefied natural gas carriers, ultra-large containerships and ammonia-ready tankers.
- Subordinate production units across the 10 dry docks and specialized fabrication bays in Ulsan will stage rotating partial walkouts through Sept.

![A technician stands beside an automated inspection system and conveyor line inside a battery manufacturing plant.](https://eastasiabrief.com/media/2026-09-02-ffc67169ee85.webp)
*A technician stands beside an automated inspection system and conveyor line inside a battery manufacturing plant.*

The labor union at HD Hyundai Heavy Industries rejected a company wage proposal on Sept. 1, 2026, triggering phased rotating strikes across its main shipyard in Ulsan, South Korea.

The walkout began on Sept. 2, 2026, when union leaders and shop-floor representatives held a seven-hour work stoppage, marking the fourth consecutive year of industrial action at the world’s largest shipbuilding complex.

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Cite as: East Asia Brief, "HD Hyundai Heavy union launches partial strike as shipyard wage talks break down," September 1, 2026. https://eastasiabrief.com/shipbuilding/hd-hyundai-heavy-union-launches-partial-strike-shipyard-wage-151