# Who does LS ELECTRIC pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/ls-electric · Facet: suppliers · Updated: 2026-07-12T04:02:58.465+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: LS ELECTRIC discloses no named confirmed suppliers/cost counterparties; 4 relationships are tracked as undisclosed/aggregate. Per the valuechain.wiki graph: 4 cost edges, backed by 1 dated sources, 1 of them primary filings (as of 2026-07-12).

### 전력기기 부품 협력사 (태인·성신산전·산전정밀 등) (high)
- metric: purchase ₩1.8T · 전력부문 부품 매입
- note: LS Electric buys MAIN and PCB assemblies, CT/PT and EHV transformer components for breakers and meters from suppliers such as Taein, Sungshin Sanjeon, Sanjeon Precision and Dawoo Industry. FY2025 component purchases were 1.80 trillion won, 90.4% of power-segment purchases.
- [confirms] FSS DART (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001243: "[LS ELECTRIC] power components: MAIN Ass'y, PCB Ass'y, CT, PT, EHV transformer parts (breakers, WHM parts), FY2025 purchases 1,798,345 million won, 90.38%, main suppliers Taein, Sungshin Sanjeon, Sanjeon Precision, Dawoo Industry."

### LS MnM (엘에스엠앤엠) (high)
- metric: purchase ₩343.4B · 금속부문 전기동 매입
- note: LS Electric's metals arm (LS Metal) sources the electrolytic copper for copper-tube production mainly from affiliate LS MnM. FY2025 copper purchases were 343.4 billion won, 89.3% of the segment's raw-material purchases.
- [confirms] FSS DART (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001243: "[LS Metal] metals raw material: electrolytic copper etc. (copper-tube production), FY2025 purchases 343,405 million won, 89.3%, main supplier LS MnM."

### 전력 원재료 협력사 (포스코모빌리티솔루션·원일사·고려금속공업) (high)
- metric: purchase ₩191.5B · 전력부문 원재료 매입
- note: LS Electric buys raw materials such as silver, copper, iron, aluminum and electrical steel for conductors and enclosures from POSCO Mobility Solution, Wonil and Koryo Metal. FY2025 purchases were 191.5 billion won.
- [confirms] FSS DART (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001243: "[LS ELECTRIC] power raw materials: silver, copper, iron, aluminum, electrical steel (conductors, enclosures, covers), FY2025 purchases 191,483 million won, 9.62%, main suppliers POSCO Mobility Solution, Wonil, Koryo Metal."

### Hitachi Energy·Maschinenfabrik Reinhausen (변압기 부품) (mid)
- metric: purchase ₩61.3B · LS파워솔루션 변압기 부품
- note: Transformer subsidiary LS Power Solution sources core components such as transformer insulation from Maschinenfabrik Reinhausen (OLTC tap changers) and Hitachi Energy. FY2025 component purchases were 61.3 billion won, 58.7% of the total.
- [confirms] FSS DART (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001243: "[LS Power Solution] components: insulation etc. (transformer parts), FY2025 purchases 61,291 million won, 58.7%, main suppliers Maschinenfabrik Reinhausen, Hitachi Energy."

Reverse side: https://valuechain.wiki/ls-electric/customers.md · Ripple: https://valuechain.wiki/ls-electric/ripple.md

---
Full node: https://valuechain.wiki/ls-electric.md · JSON: https://valuechain.wiki/ls-electric.json