# Who does Samsung E&A pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/samsung-e-a · Facet: suppliers · Updated: 2026-10-09T13:13:06.366+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Samsung E&A's confirmed suppliers/cost counterparties include 에코프로에이치엔 plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 2 cost edges, backed by 5 dated sources, 2 of them primary filings (as of 2026-10-09).

### 에코프로에이치엔 (high)  → /ecopro-hn.md
- metric: contract 32,956,695,000원 · 2026.7 계약(~2027.12) · Domestic RCS
- note: Repeat orders of RCS GHG abatement systems for chip fabs from Ecopro HN: KRW 33.0bn domestic RCS (Jul 2026, to Dec 2027), KRW 22.6bn Taylor fab (2024), KRW 31.9bn PFCs (2022).
- [confirms] Digital Today (EN, news, published 2026-09-14) https://www.digitaltoday.co.kr/en/view/102940/ecopro-hn-wins-more-environmental-solution-orders-in-us-and-taiwan: ""orders for greenhouse gas reduction equipment from Samsung E&A, Hoffman in the United States and Micron"; "cumulative orders disclosed this year were tallied at 191.4 billion won.""
- [confirms] FSS DART (KO, filing, published 2026-07-27) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260727900268: "RCS GHG abatement supply contract with Samsung E&A: KRW 32.96bn, 23.4% of revenue, Korea, 2026-07-27 to 2027-12-30; similar contracts performed in past 3 years."
- [confirms] E2 News (KO, news, published 2024-06-01) https://www.e2news.com/news/articleView.html?idxno=243436: "KRW 22.6bn RCS supply deal with Samsung E&A's US arm for the Taylor foundry fab."
- [confirms] Seoul Economic TV (KO, news, published 2022-11-07) https://www.sentv.co.kr/article/view/sentv202211070114: "KRW 31.9bn PFCs treatment equipment deal with Samsung E&A."

### 플랜트 기자재·외주 시공 협력사 (high)
- metric: expense 6,064,650백만원 · FY2025 · materials and subcontracting expense
- note: Most turnkey EPC cost is equipment procurement (compressors, heat exchangers, valves) and local subcontracting. FY2025 materials and subcontracting cost was KRW 6.06tn, 74% of the KRW 8.24tn total expenses. Individual suppliers are not disclosed.
- [confirms] FSS DART (KO, filing, published 2026-03-11) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260311003927: "Under expenses by nature, 'materials and subcontracting cost' was KRW 6,064,650 million (FY2025) of total KRW 8,236,690 million. Raw-material breakdown is not calculable given turnkey make-to-order."

Reverse side: https://valuechain.wiki/samsung-e-a/customers.md · Ripple: https://valuechain.wiki/samsung-e-a/ripple.md

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Full node: https://valuechain.wiki/samsung-e-a.md · JSON: https://valuechain.wiki/samsung-e-a.json