What's the difference between Aehr Test Systems and Hangzhou Changchuan Technology?

Aehr Test Systems is a niche in Test Equipment based in United States; Hangzhou Changchuan Technology is a challenger in Test Equipment based in China. Both operate in the Equipment (Back End) segment.

Who are Aehr Test Systems's and Hangzhou Changchuan Technology's suppliers?

wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for Hangzhou Changchuan Technology.

Aehr Test Systems vs Hangzhou Changchuan Technology

Both are primarily Test Equipment companies. Hangzhou Changchuan Technology is larger by market cap ($22.0B vs $2.9B). Hangzhou Changchuan Technology reports higher tracked revenue ($789M vs $50M).

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Side-by-side

	Aehr Test Systems	Hangzhou Changchuan Technology
Market cap	$2.9B	$22.0B
Revenue	$50M (FY2026)	$789M (FY2025)
Primary segment	Test Equipment	Test Equipment
Market position	niche	challenger
Country	United States	China
Tracked suppliers	0	0
Tracked customers	7	8
Chokepoint / criticality	50/100	57/100

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 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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Cite as: wafergraph, “Aehr Test Systems vs Hangzhou Changchuan Technology”, https://wafergraph.com/compare/aehr-vs-changchuan (data as of 2026-10-09).

Frequently asked questions3

Is Aehr Test Systems bigger than Hangzhou Changchuan Technology?: Hangzhou Changchuan Technology is larger by market cap ($22.0B vs $2.9B).
What's the difference between Aehr Test Systems and Hangzhou Changchuan Technology?: Aehr Test Systems is a niche in Test Equipment based in United States; Hangzhou Changchuan Technology is a challenger in Test Equipment based in China. Both operate in the Equipment (Back End) segment.
Who are Aehr Test Systems's and Hangzhou Changchuan Technology's suppliers?: wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for Hangzhou Changchuan Technology.