# Who does King Yuan Electronics (KYEC) pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/kyec · Facet: suppliers · Updated: 2026-07-12T06:15:31.719607+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: King Yuan Electronics (KYEC)'s confirmed suppliers/cost counterparties include Advantest, Teradyne plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 0 of them primary filings (as of 2026-07-12).

### Advantest (high)  → /advantest.md
- note: Buys testers (ATE) from Advantest — a key equipment source for HBM/AI-chip test capacity.
- [confirms] DigiTimes (EN, news, published 2026-04-13) https://www.digitimes.com/news/a20260413PD230/2026-revenue-demand-testing-king-yuan.html: "ATE is the capacity-gating capital good; KYEC's NT$50B 2026 capex and 30-50% capacity growth depend on tester availability."
- [confirms] KYEC (EN, ir, published 2025-05-01) https://www.kyec.com.tw/en/: "Buys test equipment (ATE) from Advantest."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/osat-market/companies: "Buys test equipment (ATE) from Advantest."

### Teradyne (mid)  → /teradyne.md
- note: Buys testers (ATE) from Teradyne — the key capital good of test capacity, whose availability caps KYEC's expansion pace.
- [confirms] DigiTimes (EN, news, published 2026-04-13) https://www.digitimes.com/news/a20260413PD230/2026-revenue-demand-testing-king-yuan.html: "ATE is the capacity-gating capital good; KYEC's NT$50B 2026 capex and 30-50% capacity growth depend on tester availability."
- [confirms] KYEC (EN, ir, published 2025-05-01) https://www.kyec.com.tw/en/: "Buys test equipment (ATE) from Teradyne."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/osat-market/companies: "Buys test equipment (ATE) from Teradyne."

### 원재료·소재·R&D (비공개) (low)
- note: Materials and R&D (undisclosed).
- [confirms] KYEC (EN, ir, published 2025-05-01) https://www.kyec.com.tw/en/: "Materials and R&D (undisclosed)."

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

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