# Who are Ecopro HN's customers? Who does Ecopro HN earn revenue from?
Canonical: https://valuechain.wiki/ecopro-hn · Facet: customers · Updated: 2026-10-09T13:13:06.366+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Ecopro HN's confirmed revenue counterparties include Micron Technology, 삼성E&A (삼성전자 테일러 팹), 비에이치아이 plus 4 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 7 revenue edges, backed by 12 dated sources, 6 of them primary filings (as of 2026-10-09).

### Micron Technology (high)  → /micron.md
- metric: contract 93,602,000,000원 · 2026.8 계약(~2029.4) · Woodlands Singapore PFCs abatement
- note: Supply of large-capacity catalytic PFCs abatement systems to Micron Semiconductor Asia Operations (Singapore): KRW 93.6bn (USD 68m), Aug 2026, 66.4% of 2025 revenue; largest single contract to date.
- [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 2026-09-01) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260901900164: "GHG abatement equipment supply contract with Micron Semiconductor Asia Operations Pte. Ltd.: KRW 93.6bn (USD 68.0m), 66.4% of latest annual revenue, Woodlands Singapore, term 2026-08-29 to 2029-04-01."

### Hoffman Construction (미국 아이다호 팹 시공사) (high)
- metric: contract 40,741,524,880원 · 2026.8~9 계약 2건 · Idaho PFCs abatement
- note: Two GHG abatement contracts for an Idaho site (KRW 20.97bn in Aug 2026 + KRW 19.77bn in Sep 2026 = KRW 40.7bn). Contract counterparty is general contractor Hoffman; coincides with reports of RCS orders for Micron's new Idaho fabs (ID1, ID2), though filings do not name the end owner.
- [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 2026-09-11) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260911900215: "Large-capacity catalytic PFCs abatement supply contract with Hoffman Construction Co Of America: KRW 19.77bn (USD 14.77m), 14.0% of revenue, Idaho USA, 2026-09-09 to 2028-05-16."
- [confirms] FSS DART (KO, filing, published 2026-08-24) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260824900046: "GHG abatement equipment supply contract with Hoffman Construction Co Of America: KRW 20.97bn (USD 15.06m), 14.9% of revenue, Idaho USA, 2026-08-21 to 2027-07-30."
- [mentions] Herald Business (KO, news, published 2026-07-31) https://www.heraldk.com/article/2026073101001428360: "Ecopro HN is pursuing RCS and chemical-filter supply for Micron's new Idaho fabs (ID1, ID2), reportedly over KRW 100bn each and KRW 200-250bn in total."

### 삼성E&A (삼성전자 테일러 팹) (high)  → /samsung-e-a.md
- metric: contract 32,956,695,000원 · 2026.7 계약(~2027.12) · Domestic RCS
- note: RCS GHG abatement systems for chip fabs via Samsung E&A: KRW 33.0bn domestic RCS (Jul 2026, 23.4% of revenue, to Dec 2027), KRW 22.6bn Taylor fab (2024), KRW 31.9bn PFCs (2022). Repeat customer.
- [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."

### 반도체·디스플레이 클린룸 (케미컬 필터) (high)
- metric: Amount 27,669,000,000원 · 2026 상반기 · Chemical filter segment revenue
- note: Core cleanroom chemical filters: KRW 27.7bn in H1 2026 (32.1% of revenue), KRW 54.8bn in 2025; AMC-removal consumables (FFU, OAC, EFU) for chip and display cleanrooms. Customers anonymised (A to D).
- [confirms] FSS DART (KO, filing, published 2026-08-14) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814001912: "Cleanroom chemical filters (FFU, OAC, EFU): selective removal of harmful gases by adsorption and decomposition; revenue KRW 27,669m (32.1%)."
- [mentions] Korea Economic Daily (KO, news, published 2026-06-19) https://www.hankyung.com/amp/202606196645G: "Cleanroom chemical filters remove airborne molecular contamination to protect yields."

### 비에이치아이 (high)  → /bhi.md
- metric: contract 23,985,050,000원 · 2026.3 계약(~2030.4) · Taiwan LNG SCR
- note: De-NOx SCR for Taiwan's Tongxiao LNG plant (Miaoli) via BHI: KRW 24.0bn (Mar 2026, equipment plus catalyst, to Apr 2030); main driver of the fine-dust segment's export jump (KRW 11.4bn H1 2026).
- [confirms] ETNews (KO, news, published 2026-03-31) https://www.etnews.com/20260331000332: "KRW 23.9bn SCR for Taiwan's Tongxiao LNG plant (about 17% of prior-year revenue; Korean source, gloss translated)."
- [confirms] FSS DART (KO, filing, published 2026-03-30) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260330901093: "De-NOx (SCR) supply contract with BHI Co., Ltd.: KRW 23.99bn (equipment KRW 8.15bn + catalyst USD 10.5m), 10.2% of revenue, Miaoli County Taiwan, 2026-03-30 to 2030-04-30."

### 에코프로비엠 (high)  → /ecopro-bm.md
- metric: Amount 10,487,558,000원 · 2026 상반기 · Related-party sales incl. Hungary
- note: Affiliate sales (related-party): H1 2026 EcoPro BM KRW 2.08bn + EcoPro BM Hungary KRW 8.41bn = KRW 10.49bn, mainly environmental systems for the Hungarian cathode plant.
- [confirms] FSS DART (KO, filing, published 2026-08-14) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814001912: "Related-party transactions (H1 2026, KRW thousand): sales to EcoPro BM 2,076,313 and EcoPro BM Hungary Zrt. 8,411,245."

### 에코프로머티리얼즈 (high)  → /ecopro-materials.md
- metric: Amount 3,067,110,000원 · 2026 상반기 · Related-party sales
- note: Affiliate sales (related-party): KRW 3.07bn in H1 2026 (KRW 12.60bn a year earlier), environmental systems for precursor plants.
- [confirms] FSS DART (KO, filing, published 2026-08-14) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814001912: "Related-party transactions (KRW thousand): sales to EcoPro Materials 3,067,110 in H1 2026 (12,603,641 in H1 2025)."

### 에코프로 (mid)  → /ecopro.md
- metric: Market share 31.11% · 유효지분율
- note: Parent Ecopro holds an effective 31.11% stake (H1 2026 report).
- [confirms] FSS DART (KO, filing, published 2026-08-14) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814001912: "As of the half-year end, the parent of the consolidated group is Ecopro Co., Ltd. (effective stake 31.11%)."
- [mentions] FnGuide (KO, research, published 2026-01-01) https://comp.fnguide.com/SVO2/asp/SVD_Corp.asp?pGB=1&gicode=A086520&MenuYn=Y&NewMenuID=102&stkGb=701: "FnGuide affiliate table: 에코프로에이치엔 at 31.09%."
- [confirms] EcoPro (KO, ir, published 2024-06-01) https://www.ecopro.co.kr/sub010303: "Recycling, precursor, lithium hydroxide and cathode affiliates are clustered in the Pohang closed loop."

Reverse side: https://valuechain.wiki/ecopro-hn/suppliers.md · Ripple: https://valuechain.wiki/ecopro-hn/ripple.md

---
Full node: https://valuechain.wiki/ecopro-hn.md · JSON: https://valuechain.wiki/ecopro-hn.json