# Who does Will Semiconductor pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/will-semiconductor · Facet: suppliers · Updated: 2026-07-12T08:21:10.561998+00:00 · Source: ValueChain.wiki (cited money-flow graph)

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

### TSMC (high)  → /tsmc.md
- note: As a fabless designer, TSMC is its primary foundry for CIS wafer fabrication; high-performance BSI/stacked sensors are outsourced to TSMC.
- [mentions] Shanghai Will Semiconductor (ZH, filing, published 2025-04-16) https://file.finance.qq.com/finance/hs/pdf/2025/04/16/1223100967.PDF: "A fabless semiconductor designer relying on outsourced (委外代工) wafer fabrication with no in-house fab."
- [confirms] CMB International (EN, research, published 2025-01-01) https://hk-official.cmbi.info/upload/2cb69ddc-4b34-4d3e-b109-4d88d1b7a9b7.pdf: "Fabless model reliant on outsourced wafer fabrication; TSMC is OmniVision's key foundry partner."

### 파운드리(파워칩·화홍 등) (mid)
- note: Uses Powerchip (PSMC) and Hua Hong (HHGrace) as second-source foundries, a multi-foundry structure for supply stability and cost diversification.
- [mentions] East Money Securities (ZH, research, published 2025-05-06) https://pdf.dfcfw.com/pdf/H3_AP202505071669038515_1.pdf: "Equity research covers the multi-foundry outsourcing structure and cost/supply stability (rating: Outperform)."
- [mentions] Shanghai Will Semiconductor (ZH, filing, published 2025-04-16) https://file.finance.qq.com/finance/hs/pdf/2025/04/16/1223100967.PDF: "Procurement structure spreading wafer fabrication across multiple foundries."

Reverse side: https://valuechain.wiki/will-semiconductor/customers.md · Ripple: https://valuechain.wiki/will-semiconductor/ripple.md

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Full node: https://valuechain.wiki/will-semiconductor.md · JSON: https://valuechain.wiki/will-semiconductor.json