# Korean firms speed rare earth magnet plants ahead of 2027 Pentagon ban

*LS Cable unit Korea Motion Works committed 350 billion won for a Gumi facility to meet defense demand before sourcing restrictions begin.*

**Published:** November 12, 2026  
**By:** Mina Okoro  
**Section:** Analysis & Comparison — Cross-border  
**Format:** Policy Tracker  
**Confidence:** high  
**Source:** https://eastasiabrief.com/analysis/korean-firms-speed-rare-earth-magnet-plants-ahead-2027-1371  
**Publisher:** East Asia Brief (https://eastasiabrief.com/)

---

## What to know

- Korea Motion Works commits 350 billion won ($262 million) for a 1,000-ton magnet plant in Gumi
- Pentagon DFARS clause 252.225-7052 bans Chinese-origin rare earth magnets across defense supply chains starting Jan. 1, 2027
- LS Eco Energy invests 11.6 billion won in Vietnam for 240 tons of samarium metal ahead of December pilot runs

![Technicians in protective suits inspect metal blocks along a production line in front of a glowing furnace. (AI-generated image)](https://eastasiabrief.com/media/2026-11-12-1b03ac6b879d.webp)
*Technicians in protective suits inspect metal blocks along a production line in front of a glowing furnace. (AI-generated image)*

South Korean industrial materials makers accelerated capital spending on Nov. 12, 2026, to build non-Chinese sintered rare earth magnet plants ahead of a looming U.S. defense procurement embargo.

The investments respond to a Pentagon procurement mandate that takes effect in 2027. Sintered neodymium and samarium magnets supply essential magnetic flux to missile guidance fins, fighter jet pumps and electric combat vehicle drivetrains.

*The rest of this briefing is for members. Creating an account is free. [Continue reading](https://eastasiabrief.com/analysis/korean-firms-speed-rare-earth-magnet-plants-ahead-2027-1371).*

---

Cite as: East Asia Brief, "Korean firms speed rare earth magnet plants ahead of 2027 Pentagon ban," November 12, 2026. https://eastasiabrief.com/analysis/korean-firms-speed-rare-earth-magnet-plants-ahead-2027-1371