Cleanroom chemical filters · Greenhouse-gas abatement systems · Fine-dust materials
Ecopro HN
Ecopro HN is the environmental affiliate of the Ecopro Group (parent Ecopro holds an effective 31.11%), making chemical filters for chip and display cleanrooms and greenhouse-gas (PFCs) abatement systems for semiconductor fabs. Revenue fell to KRW 141.1bn in 2025 from KRW 234.5bn, but in 2026 it won a KRW 93.6bn order for Micron's Singapore fab (66% of prior-year revenue), two Idaho contracts via Hoffman totalling KRW 40.7bn, a KRW 33.0bn Samsung E&A RCS order and a KRW 24.0bn SCR for a Taiwan LNG plant, taking disclosed orders to KRW 191.4bn. H1 2026 revenue was KRW 86.2bn: chemical filters 32%, fine-dust reduction 31%, GHG reduction 27%, water treatment 8%.
Business categories Environmental & Water Services and Systems · Industrial Infrastructure & Heavy Industry · primary
383310.KQ Updated Oct 9, 2026 5 AI consumers· 2 recurring
Per the valuechain.wiki graph, Ecopro HN is directly linked to 6 companies (1 supply, 5 revenue, 1 investment relationships) and reaches 10 companies within two hops; the links are backed by 14 dated sources, 6 of them primary filings (as of 2026-10-09).
Financials & Segments
- Total revenue · KRW 141.1bn (2025 consolidated, annual report) · H1 2026 KRW 86.2bn
- Customer concentration · Customers above 10% (anonymised), H1 2026: A 18.2%, B 15.9%, C 12.4%. Backlog KRW 83.0bn (Jun 2026). Disclosed 2026 orders KRW 191.4bn (136% of 2025 revenue).
- Segments · Cleanroom chemical filters · Fine-dust reduction · GHG reduction · Water treatment
Revenue from
- Micron Technology High confidence· contract 93,602,000,000원 · 2026.8 계약(~2029.4) · Woodlands Singapore PFCs abatement
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 EN Digital Today Published Sep 14, 2026: Ecopro HN wins more environmental solution orders in US and TaiwanConfirms KO FSS DART Published Sep 1, 2026: Ecopro HN single sales/supply contract (Micron Semiconductor Asia Operations, KRW 93.6bn) - Hoffman Construction (미국 아이다호 팹 시공사) High confidence· contract 40,741,524,880원 · 2026.8~9 계약 2건 · Idaho PFCs abatement
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 EN Digital Today Published Sep 14, 2026: Ecopro HN wins more environmental solution orders in US and TaiwanConfirms KO FSS DART Published Sep 11, 2026: Ecopro HN single sales/supply contract (Hoffman Construction, KRW 19.8bn)Confirms KO FSS DART Published Aug 24, 2026: Ecopro HN single sales/supply contract (Hoffman Construction, KRW 21.0bn)Mentions KO Herald Business Published Jul 31, 2026: [Exclusive] Ecopro HN pursues KRW 200bn-plus RCS orders for Micron's new Idaho fabs - 삼성E&A (삼성전자 테일러 팹) High confidence· contract 32,956,695,000원 · 2026.7 계약(~2027.12) · Domestic RCS
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 EN Digital Today Published Sep 14, 2026: Ecopro HN wins more environmental solution orders in US and TaiwanConfirms KO FSS DART Published Jul 27, 2026: Ecopro HN single sales/supply contract (Samsung E&A, RCS KRW 33.0bn)Confirms KO E2 News Published Jun 1, 2024: Ecopro HN signs KRW 22.6bn GHG-abatement deal with Samsung E&AConfirms KO Seoul Economic TV Published Nov 7, 2022: Ecopro HN: KRW 31.9bn PFCs treatment deal with Samsung E&A - 반도체·디스플레이 클린룸 (케미컬 필터) High confidence· Amount 27,669,000,000원 · 2026 상반기 · Chemical filter segment revenue
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).Mentions KO Korea Economic Daily Published Jun 19, 2026: Ecopro HN: growth outlook on semiconductor and battery environmental tech - BHI High confidence· contract 23,985,050,000원 · 2026.3 계약(~2030.4) · Taiwan LNG SCR
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). - EcoPro BM High confidence· Amount 10,487,558,000원 · 2026 상반기 · Related-party sales incl. Hungary
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. - EcoPro Materials High confidence· Amount 3,067,110,000원 · 2026 상반기 · Related-party sales
Affiliate sales (related-party): KRW 3.07bn in H1 2026 (KRW 12.60bn a year earlier), environmental systems for precursor plants.
Pays to
- 원재료 매입처 (활성탄·이온교환수지·필터 프레임, 비공개) High confidence· Amount 12,129,000,000원 · 2026 상반기 · Raw-material purchases
H1 2026 raw-material purchases KRW 12.1bn: activated carbon KRW 3.12bn (25.7%), ion-exchange resin KRW 2.05bn (16.9%), filter frames KRW 2.96bn (24.4%), other KRW 4.0bn. Multiple domestic and overseas suppliers, names not disclosed. - 왕산전기 (계열사) High confidence· Amount 2,067,100,000원 · 2026 상반기 · Related-party purchases
Purchases from group affiliate Wangsan Electric: KRW 2.07bn in H1 2026 (KRW 1.06bn a year earlier), the largest related-party purchase. - Ecopro High confidence· Amount 1,477,438,000원 · 2026 상반기 · Related-party purchases
Purchases and other transactions with parent Ecopro (shared services etc.): KRW 1.48bn in H1 2026 (KRW 1.23bn a year earlier).
Investors
- Ecopro Medium confidence· Market share 31.11% · 유효지분율
Parent Ecopro holds an effective 31.11% stake (H1 2026 report).
Value-chain ripple (2 tiers)
Following node-to-node links up to 2 tiers; each firm is shown once, at its nearest tier.
| Company | Chain | '21 | '22 | '23 | '24 | '25 | YTD |
|---|---|---|---|---|---|---|---|
| Samsung Electronics | lead2 | -9 | -14.2 | +20.9 | -26.4 | +212.9 | +63.8 |
| Samsung SDI | lead2 | -19 | +15.8 | -45.7 | -40.2 | +75.7 | +45.9 |
| Phison Electronics | lead2 | +26.8 | -10.7 | +45.1 | -6.7 | +418.3 | -12.8 |
| Samsung Biologics | lead2 | -6.8 | +8.6 | +5.8 | +28.7 | +5 | -30.1 |
| EcoPro BM | lead2 | +79.2 | +23.9 | +113.5 | -38.6 | +77.1 | -54.3 |
| Micron Technology | lead1 | +24.2 | -45.9 | +71.9 | -1 | +240.2 | +256.4 |
| Samsung E&A | lead1 | +74.5 | +20 | -13.7 | -15.9 | +76.7 | +56.7 |
| BHI | lead1 | +46.1 | +73.5 | +14.4 | +185.1 | +227.1 | -16.4 |
| EcoPro Materials | lead1 | · | · | · | -52.5 | -4.9 | -44.2 |
| Ecopro HN | node | · | +4.6 | +17 | -47.7 | +38 | -38.7 |
| Ecopro | benef1 | -5.1 | +94.5 | +309.5 | -39.2 | +172.1 | -49.2 |
| EcoPro Materials | benef2 | · | · | · | -52.5 | -4.9 | -44.2 |
| EcoPro BM | benef2 | +79.2 | +23.9 | +113.5 | -38.6 | +77.1 | -54.3 |
YTD as of 2026-10-08 · source: Yahoo Finance
Ecopro HN operates across KOSDAQ, Environmental materials, Semi chemical filters & GHG abatement. After +38% in 2025, it gave back -44.3% in 2026. The demand side (avg +48.9%) leads the stock (-44.3%), so customer moves come first here. In March 2026 it won a KRW 23.9bn SCR order for Taiwan's Tongxiao LNG power plant (about 17% of prior-year revenue), broadening into large-scale environmental equipment.
Analysis generated from returns as of 2026-09-04← All companiesMarkdown · JSON · Customers · Suppliers · Ripple