Liquid cooling has gone mainstream as next-generation AI chips push power density beyond air cooling limits. Air cooling only relieves surface heat, causing throttling and hardware aging, while kilowatt-level chip heat generation rules out unproven thermal materials. Production has shifted from pilot to mass deployment, running at full capacity. Energy efficiency regulat...
Rocksolid's RDHx rear door heat exchanger leads China's accelerating AI liquid cooling transformation. With traditional air cooling unable to handle high-heat AI GPU hardware and domestic transformation constrained by cost, technology and standards, the industry needs transitional solutions. RDHx integrates on standard server rack rear doors with closed-loop coolant circ...
Cooling Distribution Units (CDUs) are the core hardware of liquid cooling infrastructure, circulating coolant through pumps, heat exchangers, microprocessor controls, water quality systems and manifolds. Centralized CDUs serve entire rooms; decentralized units support incremental upgrades. Air-to-liquid CDUs fit 5-15kW transitional facilities, while liquid-to-liquid CDUs...
The CDU is the core hub of liquid cooling, connecting outdoor cold sources with server loops through a fully isolated dual-loop architecture. The primary loop circulates water or water-glycol through cooling towers and dry coolers, while the secondary loop delivers insulating, anti-corrosion coolant to servers. Plate heat exchangers achieve 95% transfer efficiency, cooli...
Cooling Distribution Units (CDUs) are the core solution for high-density data center liquid cooling, supporting both cold plate and immersion architectures. Bridging the facility water system and terminal coolant loop, CDUs circulate clean, stable coolant with an independent secondary loop that keeps supply temperature above the dew point. Liquid-to-liquid CDUs serve ult...
CDUs are the core hub of liquid cooling data centers, enabling zero-contamination heat transfer through plate heat exchangers that physically isolate primary and secondary loops. This solves pressure loss, scaling and corrosion from distant outdoor cold sources while protecting servers with insulating dielectric coolant. Primary water at 32-37℃ transfers heat, with secon...
Two-phase cold plate cooling uses fluorinated refrigerants that vaporize inside cold plates and turn into harmless gas if leaked—handling 2.5kW per GPU, 175kW per rack and up to 8 W/(cm²·℃). The gravity heat pipe derivative hits 100kW per rack with PUE as low as 1.07, requiring no pumps, ideal for edge computing. Air-liquid hybrid solutions address legacy renovation, tig...
Major tech firms are ramping up AI computing infrastructure investment, pushing liquid cooling from optional to essential. Cold plate suits renovation, immersion serves new builds, and rear door cooling fits medium-density scenarios. Southeast Asia's hot, humid climate and underdeveloped HVAC industry create vast opportunities, with containerized cooling adapting well. S...
The secondary cooling loop—CDUs, distribution pipelines and liquid cooling cabinets with cold plates, quick disconnects and manifolds—dissipates heat for CPUs, GPUs, memory and power supplies. Copper or aluminum cold plates are judged by pressure drop and thermal resistance; two-phase designs are the future upgrade direction. 316L stainless steel manifolds split coolant ...
Shanghai Yicheng Refrigeration, after 25 years of research, has unveiled the Fresh Freeze Series AI inverter integrated cold storage unit, combining all-in-one heating and cooling, intelligent energy efficiency and long service life. DC inverter control dynamically matches warehouse loads, delivering 30-50% energy savings while narrowing temperature fluctuation and cutti...
Hawei has launched XINGLING, a brand dedicated to system-level energy-saving cold storage, built on decades of inverter technology. Its portfolio—monoblock units with factory calibration, split systems for large logistics, anti-corrosion models and cloud-monitored intelligent units—addresses three core pain points: AI inverter load matching eliminates frequent start-stop...
GREE's GNJ-QF series cold room units are fully factory-integrated—no external valves or electric control boxes—with laboratory-verified matching for stable performance. They operate in ambient temperatures from -15℃ to 45℃, delivering -20℃ to 20℃ cold room conditions for fresh, pharmaceutical and freezing scenarios. Factory-matched evaporators ensure uniform cooling, whi...
Hanzhong Precision Machinery delivers low-carbon, high-efficiency cold storage solutions built on high-efficiency screw refrigeration technology. Cold chain carbon reduction targets two dimensions: cutting direct emissions by controlling refrigerant leakage, and lowering indirect carbon footprints with high-COP equipment. Its RC2-D and LC series compressors maximize effi...
At the 37th China Refrigeration Exhibition in Beijing, Gree showcased its full-range energy-saving cold storage equipment, built on nearly 20 years of industry experience. Stainless steel evaporators with optimized fin layouts raise heat exchange by 18.3% and anti-frost performance by 36.7%, while intelligent hot gas defrost halves power consumption. Energy-Saver inverte...
Xiaosong New Energy debuted its 2-15HP DC inverter EVI refrigeration and freezing units at the 5th China International HVACR & Cold Chain Expo, drawing crowds of domestic and overseas buyers. Low-GWP refrigerant design delivers an IPLV above 7.0, far exceeding national Grade 1 standards. Adaptive intelligent frequency conversion matches real-time cooling demand, while ex...
Cold storage facilities maintain stable temperature and humidity through mechanical refrigeration, serving food, medicine and chemical preservation. Types span high-temperature rooms (5-15℃), medium-temperature cold rooms (-5-5℃), low-temperature freezers (-25--18℃), ultra-low deep freezers (-60--45℃) and quick-freezing rooms (-40--35℃). A complete system comprises insul...
PanShiHaoHai offers full-stack liquid cooling solutions to break heat dissipation bottlenecks for high-density computing. As AI training, agent reasoning and supercomputing push cabinet power density higher, cold plate liquid cooling emerges as the most reliable route, holding data center PUE between 1.05 and 1.2 with fully sealed coolant circulation. Its product matrix ...
Air-to-liquid cooling retrofit has become a mandatory upgrade for AI-era legacy data centers as cabinet density rises from 3-5kW to 8kW or higher, causing full-speed fans, high PUE and GPU thermal throttling. Recommended for high-density upgrades, PUE compliance failures and long-term expansion, renovation avoids blind demolition: cold plates and quick connectors replace...
At GTC 2026, NVIDIA's Jensen Huang declared the AI industry's large-scale production era, with single-chip power exceeding 2000W and air cooling phased out. The global manifold market is projected to reach USD 2.29 billion by 2030. Vera Rubin NVL72 racks exceed 240kW, with manifolds accounting for over 20% of liquid cooling hardware costs. NVIDIA's AVL/RVL dual certifica...
Yangtze AI inverter cold storage units, backed by national technical center credentials, lead domestic R&D in small and medium inverter cold storage. Factory-calibrated with in-house production, the systems avoid the compatibility problems of scattered assembly. Self-developed AI inverter control delivers ±0.5℃ temperature precision with swing within ±1℃, while hot gas d...
Poor defrost and unstable temperature spoil flowers and fresh produce, making unit selection critical for cold chain businesses. Yangtze inverter cold storage, with 30+ years of refrigeration experience, national certifications and patented hot gas defrost, outperforms small assembly workshops. Its Pro series completes defrost in just 2.5 minutes with ±0.5℃ precision con...
GREE has launched a new energy-saving inverter hot gas defrost refrigeration unit covering -25℃ to 25℃. Backed by 150 million RMB in labs since 2009, the factory-integrated unit combines AI inverter optimization, intelligent hot gas defrost and frequency conversion control—cutting power consumption over 50%, defrost power 86.7% and invalid defrost cycles 80-90%. Two-stag...
Rear door liquid cooling systems use multiple liquid cooling back doors working with chillers to form a circulating heat dissipation loop for high-load data centers. Unlike room-level air conditioning, they perform targeted, precise heat removal at the cabinet rear, eliminating local hotspots—ideal for supercomputing centers, AI training clusters and GPU-accelerated faci...
As cold plate and immersion cooling scale commercially, coolant leakage threatens high-value hardware, making helium leak inspection essential quality control for zero-leak standards. Bubble and pressure decay tests miss micro leaks at welds and joints. Under ODCC and OCP limits, qualified manifolds and quick connectors limit coolant loss to under 1g per decade. Mandator...
Yangzi, China's first professional brand for small and medium AI inverter cold room systems since 1988, has released a selection guide covering 2HP-40HP units across -40℃ to +40℃. Self-developed AI inverter control achieves ±0.5℃ precision, while exclusive hot gas defrost completes cycles in 2.5 minutes with over 70% energy utilization—double traditional electric defrost...
Liquid cooling upgrades demand a massive O&M mindset shift from air cooling habits. A veteran air cooling engineer instinctively searched for air outlets in a liquid cooling facility—illustrating the gap. Operation logic is now cost-driven: glycol coolant requires regular testing and replacement, and leakage risks hardware damage and downtime. Excessive coolant flow redu...
Hexing has launched an inverter refrigeration solution built on UX series programmable controllers. High-precision sensors and electronic expansion valves enable stepless refrigerant flow adjustment with dual target-temperature and suction-pressure control, supporting R134a, R404a, R448a and R290. Inverter compressors vary frequency by temperature difference to cut start...
Liquid cooling has emerged as core infrastructure for high-density AI data centers as rising server power density outpaces air cooling limits of high energy, insufficient capacity and restricted density. Cold plate liquid cooling, the most commercially mature route, attaches cooling plates to heat-generating components while reducing fan energy, stabilizing chip temperat...
nVent has launched a plug-and-play Rear Door Heat Exchanger (RDHX) for both new and operating data centers, overturning the stereotype that liquid cooling renovation demands huge investment and downtime. Performing heat exchange directly at cabinet rear doors with water-glycol medium—far more efficient than air—it offers a cost-effective alternative to cold plate cooling...
Manifolds are critical piping components linking CDUs with cold plate branch lines, evenly distributing coolant across every server board. Matched with double-sided self-sealing quick disconnects, they enable online hot-swap of single boards without shutting down the system—connecting automatically on assembly and cutting off leak-free. Manifolds cut overall power consum...
Aokele AI inverter complete refrigeration units replace fragmented on-site assembly with factory-engineered, pre-tuned systems. Core hot gas defrost technology uses compressor discharge gas to remove frost directly—slashing power consumption versus electric defrost, avoiding heating burnout and water accumulation, and keeping cabin temperature fluctuation minimal. All-co...
Cold storage electricity bills can rival half a month's rent, making unit selection the deciding factor in retrofit success. Yangtze AI inverter cold rooms deliver ±0.5℃ precision and up to 50% energy savings: a Kunming flower wholesaler cut monthly bills from over 1200 RMB to about 500 RMB, with flower loss falling from 15% to under 3%. Its 2.5-minute hot gas defrost at...
Cold plate liquid cooling has become the most reliable mainstream solution for AI data centers, built on dual primary/secondary loops with CDUs, manifolds, cold plates and UQD fittings. Liquid-to-air routes suit legacy upgrades; liquid-to-liquid supports high-end clusters like GB200 NVL72. NVIDIA's Vera Rubin iteration pushes microchannel cold plates to micron-level chan...
Cabinet liquid cooling manifolds act as the core flow distribution hub, holding flow deviation under ±5% (±2% for high-end scenarios), pressurized plugging leakage within 0.1mL and rated pressure above 10 Bar. Tree-branch, annular and stacked plate topologies suit low, high and ultra-high density scenarios. Equal-length channels, CFD simulation, Venturi structures and 30...
The AI arms race has shifted from chips to cooling. Google has dispatched procurement teams to mainland China to secure liquid cooling equipment, while NVIDIA mandates 100% liquid cooling for its Rubin platform. Meanwhile, U.S. data center construction investment surged 29% to $45.1 billion. As supply bottlenecks now extend beyond GPUs to manifolds, cold plates and CDUs,...
Vertiv, a global data center infrastructure leader, leads the AI cooling revolution as extreme heat from next-gen AI chips pushes liquid cooling from option to necessity. Its CDU-based ecosystem, strengthened by the 2023 acquisition of UK specialist CoolTera and close collaboration with NVIDIA, delivers scalable liquid cooling for AI data centers worldwide. While retrofi...
