Taiwan / China · Power & Cooling
Thermal Management (Cold Plates & Vapor Chambers)
Each GPU needs a cold plate or vapor chamber, plus fans, manifolds and quick-disconnects. Taiwanese makers supply most of it and content per rack rises with chip power.
Copper / vapor chamber→Cold plate→Manifold→Rack
70
Tightness score ⓘ
#25 of 56
▲ Tightening
Lead time
3–9 mo
Theme 1M
−19.7%% in uptrend
0%Metric to watch
Monthly sales at AVC, Auras and Jentech, and cold-plate share of AI rack builds.
What would prove us wrong
Weakens if cold-plate prices fall as new suppliers qualify.
Thermal theme performance
Equal-weight · rebased 100 · 1YStocks we track
Who controls this bottleneck
Roles, not recommendations. Delayed prices; local currency.
| Stock | Role | Listing | Last | 1D | 1M | 3M | YTD | Off 52w high | Trend | Next earnings |
|---|---|---|---|---|---|---|---|---|---|---|
| 3017.TW Asia Vital Components |
Cold plates and liquid cooling modules | TWSE Taiwan |
NT$2,775.0 | −8.72% | −15.4% | +1.1% | +84.9% | −24.7% | 2026-11-09 | |
| 3324.TWO Auras Technology |
Liquid-cooling components | TPEx Taiwan |
NT$1,170.0 | −10.00% | −20.7% | +12.0% | +17.2% | −31.6% | — | |
| 3653.TW Jentech Precision |
Heat spreaders and cold-plate parts | TWSE Taiwan |
NT$5,605.0 | −9.96% | −19.8% | +37.9% | +105.5% | −22.2% | 2026-11-10 | |
| 2421.TW Sunonwealth Electric |
Server fans and liquid-cooling pumps | TWSE Taiwan |
NT$131.0 | −4.73% | −22.0% | −13.5% | −15.6% | −28.5% | — | |
| 6230.TW Nidec Chaun-Choung |
Vapor chambers and heat pipes | TWSE Taiwan |
NT$87.80 | −1.13% | −20.5% | −19.8% | −23.6% | −51.9% | — |
Recent headlines
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