King Yuan Electronics (KYEC)

King Yuan Electronics (KYEC) is a major in the OSAT segment of the semiconductor & AI supply chain, headquartered in Taiwan. Its key customers include NVIDIA, AMD, MediaTek.

Largest dedicated test house; heavy AI GPU test exposure.

Ticker
TWSE: 2449
Headquarters
Taiwan
Revenue
$1.1B (FY2025) · +30.1% YoY
Net income
$348M
Operating margin
25.4%
Market position
major
Value-chain segment
Outsourced Assembly & Test
Key products
final test, burn-in

About King Yuan Electronics (KYEC)

King Yuan Electronics (KYEC), headquartered in Taiwan, operates in the Outsourced Assembly & Test segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include final test, burn-in. wafergraph maps 7 tracked customers for King Yuan Electronics (KYEC) across the value chain. It has a supply-chain criticality score of 68/100, with 236 companies downstream of it.

Role in the chain

King Yuan Electronics (KYEC) is a market major in OSAT (Outsourced Assembly & Test), headquartered in Taiwan. Largest dedicated test house; heavy AI GPU test exposure.

Diligence questions

  1. The dataset names 7 tracked customers for King Yuan Electronics (KYEC). How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. King Yuan Electronics (KYEC) is headquartered in Taiwan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  3. King Yuan Electronics (KYEC) trades as TWSE:2449. What does the latest reported period say about capacity and backlog versus the graph position above?
  4. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for King Yuan Electronics (KYEC)

Key products

  • final test
  • burn-in

Customers

More OSAT companies

Compare with

ASE Technology · JCET Group · Tongfu Microelectronics · Amkor Technology · Huatian Technology · Powertech Technology (PTI)

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “King Yuan Electronics (KYEC) — supply chain, financials & market position”, https://wafergraph.com/company/kyec (data as of 2026-09-05).

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