# Who are KC Tech's customers? Who does KC Tech earn revenue from?
Canonical: https://valuechain.wiki/kc-tech · Facet: customers · Updated: 2026-07-12T08:30:37.513+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: KC Tech's confirmed revenue counterparties include SK하이닉스, 삼성전자. Per the valuechain.wiki graph: 2 revenue edges, backed by 6 dated sources, 3 of them primary filings (as of 2026-07-12).

### SK하이닉스 (high)  → /sk-hynix.md
- metric: Market share 18.12% · 2026 계약/매출 대비 · DART single supply contract
- note: Supplies slurry and tools into SK Hynix DRAM/HBM processes — more HBM layers and scaling add CMP steps, lifting both consumable and tool demand.
- [confirms] DART (FSS) (KO, filing, published 2026-03-13) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260313001174: "DART annual report: revenue, customers and business."
- [confirms] DART (Korea FSS) (KO, filing, published 2026-03-10) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260310800515: "Counterparty: SK hynix; equipment supply contract, 18.12% of revenue."
- [confirms] StockStalker (KO, news, published 2025-06-01) https://stockstalker.co.kr/semiconductor-equipment/: "Supplies CMP slurry and tools to SK hynix."
- [confirms] KC Tech (EN, ir, published 2025-05-01) https://www.kctech.com: "Supplies CMP slurry and tools to SK hynix."

### 삼성전자 (high)  → /samsung-electronics.md
- metric: Market share 5.88% · 2026 계약/매출 대비 · DART single supply contract
- note: Supplies Samsung with both CMP slurry and CMP/cleaning tools — a dual-revenue axis, slurry tied to fab utilization and tools to the expansion cycle.
- [mentions] Hyundai Motor Securities & others (KO, research, published 2026-05-01) https://markets.hankyung.com/stock/281820/consensus: "CMP tools/slurry semi-capex beneficiary; targets ~KRW 60,000-68,000 (Buy)"
- [confirms] DART (FSS) (KO, filing, published 2026-03-13) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260313001174: "FY2025 consolidated revenue KRW 383.4bn, operating income 609억."
- [confirms] DART (Korea FSS) (KO, filing, published 2026-01-07) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260107800353: "Counterparty: Samsung Electronics; equipment supply contract, 5.88% of revenue."
- [confirms] StockStalker (KO, news, published 2025-06-01) https://stockstalker.co.kr/semiconductor-equipment/: "Supplies CMP slurry and tools to Samsung Electronics."
- [confirms] KC Tech (EN, ir, published 2025-05-01) https://www.kctech.com: "Supplies CMP slurry and tools to Samsung Electronics."

Reverse side: https://valuechain.wiki/kc-tech/suppliers.md · Ripple: https://valuechain.wiki/kc-tech/ripple.md

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Full node: https://valuechain.wiki/kc-tech.md · JSON: https://valuechain.wiki/kc-tech.json