King Yuan Electronics (KYEC) vs Tongfu Microelectronics

Both are primarily Outsourced Assembly & Test companies. Tongfu Microelectronics is larger by market cap ($13.5B vs $11.9B). Tongfu Microelectronics reports higher tracked revenue ($4.2B vs $1.1B).

Shared segment: OSAT.

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Side-by-side

King Yuan Electronics (KYEC)Tongfu Microelectronics
Market cap$11.9B$13.5B
Revenue$1.1B (FY2025)$4.2B (FY2025)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionmajormajor
CountryTaiwanChina
Tracked suppliers08
Tracked customers76
Chokepoint / criticality68/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-04. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How King Yuan Electronics (KYEC) and Tongfu Microelectronics compare

  • Size: Tongfu Microelectronics is the larger company by market cap.
  • Revenue: Tongfu Microelectronics reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (68/100).
  • Footprint: King Yuan Electronics (KYEC) (Taiwan) vs Tongfu Microelectronics (China).

Company hubs

King Yuan Electronics (KYEC) · Tongfu Microelectronics · OSAT segment

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Cite as: wafergraph, “King Yuan Electronics (KYEC) vs Tongfu Microelectronics”, https://wafergraph.com/compare/kyec-vs-tongfu (data as of 2026-10-04).

Frequently asked questions3
Is King Yuan Electronics (KYEC) bigger than Tongfu Microelectronics?
Tongfu Microelectronics is larger by market cap ($13.5B vs $11.9B).
What's the difference between King Yuan Electronics (KYEC) and Tongfu Microelectronics?
King Yuan Electronics (KYEC) is a major in Outsourced Assembly & Test based in Taiwan; Tongfu Microelectronics is a major in Outsourced Assembly & Test based in China. Both operate in the OSAT segment.
Who are King Yuan Electronics (KYEC)'s and Tongfu Microelectronics's suppliers?
wafergraph tracks 0 suppliers for King Yuan Electronics (KYEC) and 8 for Tongfu Microelectronics.