# Who does SanDisk pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/sandisk · Facet: suppliers · Updated: 2026-07-12T06:26:40.314675+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: SanDisk's confirmed suppliers/cost counterparties include 도쿄일렉트론, 램리서치, ASML plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 4 cost edges, backed by 3 dated sources, 2 of them primary filings (as of 2026-07-12).

### 도쿄일렉트론 (high)  → /tokyo-electron.md
- note: Purchases NAND production equipment from Tokyo Electron.
- [confirms] Business Post (KO, news, published 2025-11-01) https://www.businesspost.co.kr/BP?command=article_view&num=437533: "Buys NAND fab equipment from Tokyo Electron (TEL)."
- [confirms] SEC EDGAR (EN, filing, published 2025-08-01) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=SNDK&type=10-K: "Buys NAND fab equipment from Tokyo Electron (TEL)."

### 램리서치 (high)  → /lam-research.md
- note: Purchases NAND production equipment from Lam Research.
- [confirms] Business Post (KO, news, published 2025-11-01) https://www.businesspost.co.kr/BP?command=article_view&num=437533: "Buys NAND fab equipment from Lam Research."
- [confirms] SEC EDGAR (EN, filing, published 2025-08-01) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=SNDK&type=10-K: "Buys NAND fab equipment from Lam Research."

### ASML (mid)  → /asml.md
- note: Buys NAND fab equipment from ASML.
- [confirms] Business Post (KO, news, published 2025-11-01) https://www.businesspost.co.kr/BP?command=article_view&num=437533: "Buys NAND fab equipment from ASML."
- [confirms] SEC EDGAR (EN, filing, published 2025-08-01) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=SNDK&type=10-K: "Buys NAND fab equipment from ASML."

### 부품·소재·R&D (비공개) (low)
- note: Parts, materials and R&D (undisclosed).
- [confirms] SanDisk IR (EN, filing, published 2026-01-29) https://investor.sandisk.com/news-releases/news-release-details/kioxia-and-sandisk-extend-yokkaichi-joint-venture-agreement: "Kioxia-SanDisk Flash Ventures JV framework extended through 2034; substantially all flash wafers sourced from the JV."
- [confirms] SEC EDGAR (EN, filing, published 2025-08-01) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=SNDK&type=10-K: "Parts, materials and R&D (undisclosed)."

Reverse side: https://valuechain.wiki/sandisk/customers.md · Ripple: https://valuechain.wiki/sandisk/ripple.md

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Full node: https://valuechain.wiki/sandisk.md · JSON: https://valuechain.wiki/sandisk.json