Aehr Test Systems vs Hangzhou Changchuan Technology

Hangzhou Changchuan Technology is larger by market cap ($27.5B vs $3.8B). Hangzhou Changchuan Technology reports higher tracked revenue ($786M vs $50M). Both are primarily Test Equipment companies.

Shared segment: Equipment (Back End).

Side-by-side

Aehr Test SystemsHangzhou Changchuan Technology
Market cap$3.8B$27.5B
Revenue$50M (FY2026)$786M (FY2025)
Primary segmentTest EquipmentTest Equipment
Market positionnichechallenger
CountryUnited StatesChina
Tracked suppliers00
Tracked customers78
Chokepoint / criticality50/10057/100

Market caps/revenue from the wafergraph dataset · data as of 2026-08-12. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Aehr Test Systems and Hangzhou Changchuan Technology compare

  • Size: Hangzhou Changchuan Technology is the larger company by market cap.
  • Revenue: Hangzhou Changchuan Technology reports higher tracked revenue.
  • Supply-chain criticality: Hangzhou Changchuan Technology has the higher chokepoint score (57/100 vs 50/100).
  • Footprint: Aehr Test Systems (United States) vs Hangzhou Changchuan Technology (China).

Company hubs

Aehr Test Systems · Hangzhou Changchuan Technology · Equipment (Back End) segment

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