Chang Wah Technology vs Sumitomo Metal Mining

Both are primarily Packaging Materials (Leadframes, Bonding Wire) companies. Sumitomo Metal Mining is larger by market cap ($15.9B vs $2.2B).

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Side-by-side

Chang Wah TechnologySumitomo Metal Mining
Market cap$2.2B$15.9B
Revenue—$11.0B (FY2026)
Primary segmentPackaging Materials (Leadframes, Bonding Wire)Packaging Materials (Leadframes, Bonding Wire)
Market positionmajormajor
CountryTaiwanJapan
Tracked suppliers00
Tracked customers139
Chokepoint / criticality69/10068/100

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 Chang Wah Technology and Sumitomo Metal Mining compare

  • Size: Sumitomo Metal Mining is the larger company by market cap.
  • Supply-chain criticality: Chang Wah Technology has the higher chokepoint score (69/100 vs 68/100).
  • Footprint: Chang Wah Technology (Taiwan) vs Sumitomo Metal Mining (Japan).

Company hubs

Chang Wah Technology · Sumitomo Metal Mining · Materials segment

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Cite as: wafergraph, “Chang Wah Technology vs Sumitomo Metal Mining”, https://wafergraph.com/compare/chang_wah-vs-sumitomo_metal_mining (data as of 2026-10-09).

Frequently asked questions3
Is Chang Wah Technology bigger than Sumitomo Metal Mining?
Sumitomo Metal Mining is larger by market cap ($15.9B vs $2.2B).
What's the difference between Chang Wah Technology and Sumitomo Metal Mining?
Chang Wah Technology is a major in Packaging Materials (Leadframes, Bonding Wire) based in Taiwan; Sumitomo Metal Mining is a major in Packaging Materials (Leadframes, Bonding Wire) based in Japan. Both operate in the Materials segment.
Who are Chang Wah Technology's and Sumitomo Metal Mining's suppliers?
wafergraph tracks 0 suppliers for Chang Wah Technology and 0 for Sumitomo Metal Mining.