# Who are Jusung Engineering's customers? Who does Jusung Engineering earn revenue from?
Canonical: https://valuechain.wiki/jusung-engineering · Facet: customers · Updated: 2026-07-12T05:17:13.543264+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Jusung Engineering's confirmed revenue counterparties include SK하이닉스, 삼성전자 plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 3 revenue edges, backed by 6 dated sources, 2 of them primary filings (as of 2026-07-12).

### SK하이닉스 (high)  → /sk-hynix.md
- metric: Revenue ₩133.4B · FY2025 · consolidated total revenue
- note: Won all of SK hynix's next-gen high-k DRAM ALD tools as sole supplier — heavy single-customer dependence, but a near-irreplaceable monopoly position.
- [confirms] Seoul Economic Daily (EN, news, published 2026-06-11) https://en.sedaily.com/finance/2026/06/11/semiconductor-equipment-stocks-surge-jusung-up-24-percent: "Jusung up 24% on Samsung/SK domestic capex."
- [mentions] Korea Investment & BNK Securities (via media) (KO, research, published 2026-05-27) https://alphasquare.co.kr/home/stock-summary?code=036930: "Korea Investment: FY2026 revenue KRW 403bn (+29.7%), operating profit KRW 115bn (+267%); SK Hynix M15X buildout beneficiary"
- [confirms] DART (Korea FSS) (KO, filing, published 2026-03-20) https://dart.fss.or.kr/dsae001/selectPopup.do?selectKey=00252135: "FY2025 revenue ₩133B."
- [confirms] DART (Korea FSS) (KO, filing, published 2024-07-10) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20240710900488: "Counterparty: SK hynix; semiconductor manufacturing equipment, KRW 19.43bn (6.82% of Jusung's revenue)."
- [confirms] TheElec (KO, news, published 2021-04-19) https://www.thelec.kr/news/articleView.html?idxno=11987: "Won all next-gen DRAM ALD orders from SK hynix."

### 디스플레이·태양광 (mid)
- note: Supplies display and solar deposition tools.
- [mentions] DART (Korea FSS) (KO, filing, published 2026-03-20) https://dart.fss.or.kr/dsae001/selectPopup.do?selectKey=00252135: "Display and solar segment."

### 삼성전자 (mid)  → /samsung-electronics.md
- note: Supplies ALD and other deposition tools to Samsung — Samsung's rising ALD share is a second growth axis.
- [confirms] Sisa Journal e (KO, news, published 2026-04-14) https://www.sisajournal-e.com/news/articleView.html?idxno=420473: "Jusung benefits as Samsung and SK raise ALD share."

Reverse side: https://valuechain.wiki/jusung-engineering/suppliers.md · Ripple: https://valuechain.wiki/jusung-engineering/ripple.md

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Full node: https://valuechain.wiki/jusung-engineering.md · JSON: https://valuechain.wiki/jusung-engineering.json