LS Eco Energy Invested in Vietnam Metal Facility
Manufacturers of samarium-cobalt magnets can anticipate a new supply source ahead of pending U.S. defense regulations.
Updated on Sept. 30, 2026 in Manufacturing

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LS Eco Energy announced an 11.6 billion won investment to build a samarium metal production plant in Ho Chi Minh City, Vietnam. This project aims to support the production of 700 to 1,000 tons of permanent magnets annually, with operations starting ahead of tightened U.S. supply chain rules.
Why it matters
The investment positions the company to meet upcoming January 2027 U.S. defense procurement standards that mandate stricter supply chain oversight for critical magnet materials. By securing a raw material partnership with Lynas, the firm is building a vertical supply chain to reduce reliance on legacy sourcing.
LS Eco Energy committed 11.6 billion won toward a facility with an annual capacity of 240 tons of samarium metal. This output will support the manufacturing of 700 to 1,000 tons of samarium-cobalt magnets annually.
The players
LS Eco Energy
A manufacturer specializing in power cable systems and energy infrastructure components.
Lynas
An Australia-based major producer of rare earth materials and mineral concentrates.
LS Cable & System
A large-scale international manufacturer of power and telecommunication cables and integrated energy solutions.
The details
The facility will process raw materials supplied by Australia-based Lynas before delivering the finished metal to LS Cable & System for magnet production. This vertical integration is designed to comply with shifting U.S. defense procurement requirements for specialized magnets. LS Eco Energy further intends to diversify the facility's production capabilities to include other metals beyond samarium in the future.
Timeline
July 2026: LS Eco Energy and Lynas exchanged 30 billion won in convertible bonds.
September 30, 2026: The production facility investment was formally announced.
December 2026: Trial production is scheduled to begin at the Vietnam site.
January 2027: New U.S. defense supply chain regulations for permanent magnets take effect.
Market Landscape
This development follows a pattern of heightened supply chain scrutiny for defense-critical components, specifically the U.S. defense supply chain regulations for samarium-cobalt permanent magnets. Manufacturers are increasingly moving production to independent, monitored sites to ensure compliance ahead of the January 2027 implementation.
Operators in the defense and magnet supply chain should review their sourcing strategy against the January 2027 U.S. regulatory deadlines. Firms should monitor LS Eco Energy's trial production results in December to gauge the viability of their new Vietnam-based output.
The takeaway
Vertical integration with raw material suppliers is becoming a critical defense against sudden shifts in international supply chain compliance. Operators should track the December 2026 trial startup as a signal for whether regional metal production can effectively meet U.S. defense specifications.
What happens next
Trial production is scheduled to commence in December 2026, with the regulatory landscape for U.S. defense procurement shifting in January 2027.
Further reading
For broader trends in global industrial production, see the Manufacturing section.
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