# Who does Unimicron pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/unimicron · Facet: suppliers · Updated: 2026-07-12T08:20:15.895414+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Unimicron's confirmed suppliers/cost counterparties include Ajinomoto, Resonac 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).

### Ajinomoto (high)  → /ajinomoto.md
- note: Sources FC-BGA build-up dielectric almost solely from Ajinomoto ABF — an industry-standard material that is hard to substitute, making this single dependence a structural pressure point on cost and supply.
- [confirms] TradingKey (EN, research, published 2026-01-01) https://www.tradingkey.com/analysis/stocks/us-stocks/261783966-abf-ajinomoto-nvidia-ai-supply-chain-tradingkey: "Sources interlayer dielectric (ABF) from Ajinomoto (near sole source)."

### Resonac (mid)  → /resonac.md
- note: Buys ABF and substrate materials from Resonac.
- [confirms] Unimicron (EN, ir, published 2025-05-01) https://www.unimicron.com/en/: "Buys ABF and substrate materials from Resonac."
- [confirms] MGR (EN, analysis, published 2025-01-01) https://www.marketgrowthreports.com/market-reports/abf-substrate-fc-bga-market-107527: "Buys ABF and substrate materials from Resonac."

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

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

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