# Who does Tokyo Electron (TEL) pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/tokyo-electron · Facet: suppliers · Updated: 2026-07-12T05:39:34.051192+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Tokyo Electron (TEL)'s confirmed suppliers/cost counterparties include 티씨케이, 어드밴스드에너지 (RF 파워), 하나머티리얼즈 plus 4 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 7 cost edges, backed by 10 dated sources, 1 of them primary filings (as of 2026-07-12).

### 티씨케이 (high)  → /tck.md
- note: Purchases SiC focus rings and consumables from TCK.
- [confirms] TechWorld (KO, news, published 2025-03-01) https://www.epnc.co.kr/news/articleView.html?idxno=223429: "Buys SiC focus rings and consumables from TCK (Tokai Carbon Korea)."
- [confirms] TheElec (KO, news, published 2024-06-01) https://www.thelec.kr/news/articleView.html?idxno=11503: "Buys SiC focus rings and consumables from TCK (Tokai Carbon Korea)."

### 어드밴스드에너지 (RF 파워) (high)  → /advanced-energy.md
- note: RF power supply source for etch/deposition tools.
- [confirms] U.S. SEC / Advanced Energy Industries (EN, filing, published 2026-02-13) https://www.sec.gov/Archives/edgar/data/927003/000110465926014731/aeis-20251231x10k.htm: "Advanced Energy's 10-K names Tokyo Electron, Applied Materials and Lam Research as major customers — the top three at ~23%/19%/12% of revenue. RF power and matching for etch/deposition tools are AE products."

### 하나머티리얼즈 (mid)  → /hana-materials.md
- note: Purchases silicon and SiC etch parts from Hana Materials.
- [confirms] Hana Materials (EN, ir, published 2025-05-01) https://www.hanamt.com: "Buys silicon and SiC etch parts from Hana Materials."
- [confirms] ETNews (KO, news, published 2024-09-25) https://m.etnews.com/20200925000090: "Buys silicon and SiC etch parts from Hana Materials."

### 원익QnC (mid)  → /wonik-qnc.md
- note: Purchases quartz and ceramic parts from Wonik QnC.
- [confirms] Daum Research (KO, analysis, published 2025-01-01) https://m.cafe.daum.net/taejastory/UpJ3/14352: "Buys quartz and ceramic parts from Wonik QnC."
- [confirms] ZDNet Korea (KO, news, published 2020-04-22) https://zdnet.co.kr/view/?no=20200422101530: "Buys quartz and ceramic parts from Wonik QnC."

### MKS Instruments (mid)  → /mks-instruments.md
- note: Uses MKS RF-power/vacuum subsystems in etch/deposition tools.
- [confirms] Wikipedia (EN, research, published 2026-01-01) https://en.wikipedia.org/wiki/MKS_Instruments: "Uses MKS RF-power/vacuum subsystems in etch/deposition tools."
- [confirms] Yole Group (EN, research, published 2025-01-01) https://www.yolegroup.com/strategy-insights/critical-subsystems-suppliers-are-the-superstars-of-the-semiconductor-supply-chain/: "Uses MKS RF-power/vacuum subsystems in etch/deposition tools."

### 부품·서브시스템 공급사 (비공개) (low)
- note: Outsources precision parts and subsystems for its tools (suppliers undisclosed).
- [mentions] Tokyo Electron (EN, ir, published 2025-05-14) https://www.tel.com/ir/library/report/index.html: "IR: depends on parts supply chain."

### 정밀 가공·계측 (비공개) (low)
- note: Buys precision machining and metrology modules (undisclosed).
- [mentions] Tokyo Electron (EN, ir, published 2025-05-14) https://www.tel.com/ir/library/report/index.html: "IR: equipment and modules."

Reverse side: https://valuechain.wiki/tokyo-electron/customers.md · Ripple: https://valuechain.wiki/tokyo-electron/ripple.md

---
Full node: https://valuechain.wiki/tokyo-electron.md · JSON: https://valuechain.wiki/tokyo-electron.json