What's the difference between King Yuan Electronics (KYEC) and SFA Semicon?

King Yuan Electronics (KYEC) is a major in Outsourced Assembly & Test based in Taiwan; SFA Semicon is a niche in Outsourced Assembly & Test based in South Korea. Both operate in the OSAT segment.

Who are King Yuan Electronics (KYEC)'s and SFA Semicon's suppliers?

wafergraph tracks 0 suppliers for King Yuan Electronics (KYEC) and 0 for SFA Semicon.

King Yuan Electronics (KYEC) vs SFA Semicon

Both are primarily Outsourced Assembly & Test companies. King Yuan Electronics (KYEC) is larger by market cap ($12.3B vs $1.4B). King Yuan Electronics (KYEC) reports higher tracked revenue ($1.1B vs $274M).

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Side-by-side

	King Yuan Electronics (KYEC)	SFA Semicon
Market cap	$12.3B	$1.4B
Revenue	$1.1B (FY2025)	$274M (FY2025)
Primary segment	Outsourced Assembly & Test	Outsourced Assembly & Test
Market position	major	niche
Country	Taiwan	South Korea
Tracked suppliers	0	0
Tracked customers	7	6
Chokepoint / criticality	68/100	50/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How King Yuan Electronics (KYEC) and SFA Semicon compare

Size: King Yuan Electronics (KYEC) is the larger company by market cap.
Revenue: King Yuan Electronics (KYEC) reports higher tracked revenue.
Supply-chain criticality: King Yuan Electronics (KYEC) has the higher chokepoint score (68/100 vs 50/100).
Footprint: King Yuan Electronics (KYEC) (Taiwan) vs SFA Semicon (South Korea).

Company hubs

King Yuan Electronics (KYEC) · SFA Semicon · OSAT segment

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Cite as: wafergraph, “King Yuan Electronics (KYEC) vs SFA Semicon”, https://wafergraph.com/compare/kyec-vs-sfa_semicon (data as of 2026-10-09).

Frequently asked questions3

Is King Yuan Electronics (KYEC) bigger than SFA Semicon?: King Yuan Electronics (KYEC) is larger by market cap ($12.3B vs $1.4B).
What's the difference between King Yuan Electronics (KYEC) and SFA Semicon?: King Yuan Electronics (KYEC) is a major in Outsourced Assembly & Test based in Taiwan; SFA Semicon is a niche in Outsourced Assembly & Test based in South Korea. Both operate in the OSAT segment.
Who are King Yuan Electronics (KYEC)'s and SFA Semicon's suppliers?: wafergraph tracks 0 suppliers for King Yuan Electronics (KYEC) and 0 for SFA Semicon.