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
−11.0%% in uptrend
20%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$3,095.0 | −0.32% | −9.0% | +48.6% | +106.2% | −16.0% | 2026-11-10 | |
| 3324.TWO Auras Technology |
Liquid-cooling components | TPEx Taiwan |
NT$1,330.0 | −9.22% | −18.4% | +55.6% | +33.2% | −22.2% | — | |
| 3653.TW Jentech Precision |
Heat spreaders and cold-plate parts | TWSE Taiwan |
NT$6,315.0 | −1.41% | −8.4% | +90.8% | +131.5% | −12.3% | 2026-11-10 | |
| 2421.TW Sunonwealth Electric |
Server fans and liquid-cooling pumps | TWSE Taiwan |
NT$144.0 | −9.72% | −11.9% | +15.7% | −7.2% | −21.4% | — | |
| 6230.TW Nidec Chaun-Choung |
Vapor chambers and heat pipes | TWSE Taiwan |
NT$103.5 | −2.82% | −7.2% | −7.6% | −10.0% | −43.3% | — |
Recent headlines
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