# Who are Daeduck Electronics's customers? Who does Daeduck Electronics earn revenue from?
Canonical: https://valuechain.wiki/daeduck · Facet: customers · Updated: 2026-07-12T08:30:42.654375+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Daeduck Electronics's confirmed revenue counterparties include 삼성전자, SK하이닉스. Per the valuechain.wiki graph: 2 revenue edges, backed by 4 dated sources, 1 of them primary filings (as of 2026-07-12).

### ㈜대덕 (지주회사, 31.46%) (high)
- note: The axis of the Daeduck group structure — holding company Daeduck Co. is the largest shareholder at 31.46%. It houses Daeduck Electronics (FCBGA/MLB substrates and memory module boards) within the group, forming one pillar of localizing semiconductor package substrates.
- [confirms] DART (FSS) (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001514: "Largest shareholder Daeduck Co. 31.46%."

### 삼성전자 (mid)  → /samsung-electronics.md
- note: Supplies FC-BGA package substrates to Samsung — the key customer for localizing high-performance AI/server substrates.
- [mentions] DB, Daishin, Hana Securities (KO, research, published 2026-05-01) https://news.nate.com/view/20260601n23679: "FCBGA/MLB/memory triple upturn; targets KRW 74,000-250,000 (Buy); 2026 OP +263%"
- [confirms] DART (FSS) (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001514: "DART annual report: revenue, customers and business."
- [confirms] TheElec (KO, news, published 2026-02-01) https://www.thelec.kr/news/articleView.html?idxno=56922: "Supplies FC-BGA package substrates to Samsung Electronics."
- [confirms] Daeduck (EN, ir, published 2025-05-01) https://www.daeduck.com: "Supplies FC-BGA package substrates to Samsung Electronics."

### SK하이닉스 (mid)  → /sk-hynix.md
- note: Supplies FC-BGA package substrates to SK hynix — a growth axis tied to HBM/AI-server demand.
- [confirms] TheElec (KO, news, published 2026-02-01) https://www.thelec.kr/news/articleView.html?idxno=56922: "Supplies FC-BGA package substrates to SK hynix."
- [confirms] Daeduck (EN, ir, published 2025-05-01) https://www.daeduck.com: "Supplies FC-BGA package substrates to SK hynix."

Reverse side: https://valuechain.wiki/daeduck/suppliers.md · Ripple: https://valuechain.wiki/daeduck/ripple.md

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