Industry In-depth Research Report
2026 China Liquid Cooled Data Center In-depth Research Report
Technology Routes, Market Landscape and Industrialization Practices
Executive Summary
2026 is a key node for the industrialization of liquid cooled data centers in China. As AI computing cluster power density exceeds 50kW/cabinet, traditional air cooling technology is approaching physical limits. This report is based on white papers from ODCC, Green Computing Industry Alliance and other authoritative institutions, combined with industry chain survey data, to in-depth analyze liquid cooling technology route selection, market competition landscape and commercialization paths.
Core Findings
- Cold plate liquid cooling holds 68% market share in 2026 due to low retrofit cost and good compatibility
- Immersion liquid cooling reaches 25% adoption rate in AI computing centers, PUE as low as 1.05
- Liquid cooled loadbank becomes essential test equipment for CDU and cold plate verification
- China liquid cooled data center market scale expected to reach ¥85 billion in 2026
Liquid Cooling Technology Routes Comparison
| Technology Type | PUE | Single Cabinet Power | Cost | Maturity | Application Scenarios |
|---|---|---|---|---|---|
| Cold Plate Liquid Cooling | 1.10-1.20 | 30-100kW | Low | ✓✓✓✓✓ Mature | AI computing centers, cloud data centers |
| Immersion Liquid Cooling (Single-phase) | 1.02-1.08 | 50-150kW | Medium | ✓✓✓✓ Commercializing | HPC, AI training clusters |
| Immersion Liquid Cooling (Two-phase) | 1.01-1.05 | 100-200kW+ | High | ✓✓✓ Pilot | Supercomputing, extreme density scenarios |
| Spray Liquid Cooling | 1.05-1.15 | 50-120kW | Medium | ✓✓ Early stage | Edge computing, modular data centers |
Technology Route Selection Recommendations
- →Existing data center retrofit: Recommend cold plate liquid cooling, low改造 cost, compatible with existing infrastructure
- →New AI computing center: Recommend immersion liquid cooling, lower PUE, suitable for high-density GPU clusters
- →Supercomputing centers: Recommend two-phase immersion liquid cooling, ultimate heat dissipation performance
- →Edge computing nodes: Recommend spray liquid cooling, compact structure, easy deployment
CDU Cooling Distribution Unit Market Analysis
CDU Core Functions
Primary/Secondary Loop Isolation
Isolate data center primary cooling loop from server secondary loop, ensuring system safety and reliability
Flow and Pressure Regulation
Intelligently adjust flow and pressure according to server heat load, ensuring cooling efficiency
Temperature Control
Precision temperature control ±0.5°C, meeting GPU server strict temperature requirements
Leakage Detection
Built-in leakage detection system, quickly respond to leakage risks, ensuring data center safety
Liquid Cooled Loadbank Test Solutions
Why Liquid Cooled Loadbank is Essential?
- • Simulate actual server thermal loads, verify cooling system performance
- • Test CDU flow characteristics, temperature control accuracy, pressure regulation
- • Verify cold plate heat dissipation capacity and temperature uniformity
- • Data center commissioning test, ensure design compliance
- • Equipment factory test, performance verification, reliability validation
Yoohoon DCWELL Liquid Cooled Loadbank Series
ACS30 (0-30kW)
- • Chip-level liquid cooled loadbank
- • Temperature accuracy: ±0.2°C
- • Application: Single cabinet test, GPU servers
120kW Blind-Mate
- • Blind-mate quick-change design
- • Temperature accuracy: ±0.5°C
- • Application: High-density cabinet test
50kW Modular
- • Modular expansion design
- • Temperature accuracy: ±0.5°C
- • Application: Flexible power configuration
System-level (10-1000kW)
- • Chip-level + System-level
- • Temperature accuracy: ±0.5°C
- • Application: Full cabinet/full room test
Market Competition Landscape
| Market Segment | Major Players | Market Concentration | Technology Barrier |
|---|---|---|---|
| Cold Plate Liquid Cooling | Vertiv, Stulz, Yoohoon, Inspur | Medium (CR5 ~60%) | Medium |
| Immersion Liquid Cooling | GRC, Submer, Yoohoon, Alibaba | High (CR5 ~75%) | High |
| CDU | Schneider, Vertiv, Yoohoon, Huawei | Medium-High (CR5 ~65%) | Medium-High |
| Liquid Cooled Loadbank | Yoohoon, Chroma, Keysight | High (CR3 ~80%) | High |
Market Development Trends
- • 2026-2028: Cold plate liquid cooling will remain mainstream, market share >60%
- • 2028-2030: Immersion liquid cooling will accelerate adoption, market share expected to exceed 40%
- • Industry integration: Liquid cooling equipment manufacturers will integrate with server manufacturers, provide integrated solutions
- • Standardization: ODCC, CCSA and other organizations will promote liquid cooling technology standardization
Need Liquid Cooling Solutions?
Yoohoon provides complete liquid cooling infrastructure solutions from chip-level to system-level, including liquid cooled loadbank, CDU, intelligent busbar, PDU and other core products