Top 10 Liquid Nitrogen Dewars in China (2025)

Are you searching for the most reliable liquid nitrogen storage solutions? Wondering which Chinese manufacturers lead the industry in innovation and quality? Need a dewar that balances cutting-edge technology with cost-effectiveness?

This guide ranks the top 10 liquid nitrogen dewars made in China for 2025, covering everything from compact lab models to industrial-scale tanks. You’ll discover key features like smart monitoring, evaporation rates, and warranty options—all tailored to help you make an informed decision.

Liquid nitrogen dewars are essential for cryogenic storage in research, medicine, and industry—and China’s advanced engineering makes them a global leader. Keep reading to find the perfect dewar for your needs!

List of Top 10 Liquid Nitrogen Dewars in China

1. LN2 Dewar Smart Liquid Nitrogen Tank from 65L to 175L
2. Self-pressurized Liquid Nitrogen Tank YDZ Series
3. YDS Lab LN2 Dewars: 2L-50L Cryogenic Storage Flasks
4. New Arrival China 230 Liter Liquid Nitrogen Dewar
5. Professional China Isotherm Liquid Nitrogen Dewar
6. Chinese wholesale China Liquid Nitrogen Tank Dewar for Cryogenic Storage
7. 50L Cryogenic Dewar Flask KGSQ Liquid Nitrogen Dewar
8. 10L Dewar Liquid Nitrogen Container
9. 6L Cryogenic Storage Vessel Dewar Small Capacity Semen Tanks
10. 500L 700MM Horizontal Type Cryogenic Nitrogen Dewar

1. LN2 Dewar Smart Liquid Nitrogen Tank from 65L to 175L

The Danclan Cryosmart Series is an advanced liquid nitrogen dewar engineered for high-security storage of biological specimens (2mL/5mL cryovials). Produced in China's tech hub Chengdu, this intelligent liquid nitrogen dewar combines cloud-based IoT monitoring with aerospace-grade vacuum insulation, enabling 24/7 remote tracking of LN2 levels, temperature gradients, and operational metrics through multi-channel alerts (SMS/email/WeChat). Featuring an optimized 216mm neck diameter and lightweight aluminum alloy construction, this China-manufactured dewar achieves industry-leading storage density while maintaining ultra-low evaporation rates (≤0.87L/day). With optional auto-refill systems and an industry-best 5-year vacuum warranty, it sets new benchmarks for research labs, biobanks, and clinical storage facilities worldwide.

As a leading liquid nitrogen dewar producer in China, Danclan integrates German cryogenic engineering with Chinese smart manufacturing to deliver unmatched reliability.

Origin: Chengdu, China

Key Advantages of Our China-Made LN2 Dewar:

Cloud-Connected Monitoring: Real-time LN2 level & temperature analytics with 0.1% precision
Extended Holding Time: 65L–175L capacity with 83–201 days static retention
Multi-Platform Alerts: Instant notifications via SMS/email/WeChat for critical events
Energy-Saving Design: Patented insulation reduces LN2 consumption by 30% vs conventional dewars
Smart Refill System (A-type): Automated LN2 replenishment with ≤5% level fluctuation
5-Year Zero-Leak Guarantee: Longest vacuum warranty among China LN2 tank manufacturers

2. Self-pressurized Liquid Nitrogen Tank YDZ Series

The BIOBASE YDZ Series represents a breakthrough in liquid nitrogen dewar technology, offering self-pressurized storage and dispensing solutions for industrial and laboratory applications. Manufactured in China, these innovative tanks feature built-in pressure systems that enable automatic liquid nitrogen dispensing without external pressurization sources. With capacities ranging from 30L to 200L, the YDZ Series combines advanced engineering with robust 304 stainless steel construction to deliver reliable performance in the most demanding environments.

As a premier liquid nitrogen dewar manufacturer in China, BIOBASE's YDZ Series meets international safety standards while offering cost-effective solutions for cryogenic storage and transport needs.

Origin: Shandong, China

Key Features of Our China-Made YDZ Series:

Self-Pressurizing System: Enables automatic LN2 dispensing without external equipment
Dual-Safety Protection: Double control valves with 0.099MPa/0.15MPa pressure thresholds
Industrial-Grade Construction: High-quality 304 stainless steel with 5-year vacuum warranty
Enhanced Mobility: Heavy-duty casters for easy transportation (100L+ models)
Precision Monitoring: Standard float level gauge on 100L/200L models
Low Evaporation Rates: As low as 1.2% static evaporation (200L model)

3. YDS Lab LN2 Dewars: 2L-50L Cryogenic Storage Flasks

The YDS Series liquid nitrogen dewar from China offers precision cryogenic storage solutions for biological samples in straw format. Designed for liquid phase storage, these compact dewars range from 2L to 50L capacities, combining space-efficient design with ultra-low liquid nitrogen consumption. Manufactured in China with aerospace-grade materials, the YDS series is particularly suited for IVF clinics, veterinary hospitals, and research laboratories requiring reliable sample preservation.

This China-made liquid nitrogen dewar series features multiple canister configurations (1-layer/2-layer) with neck openings from 30mm to 127mm, accommodating diverse research needs. The lightweight aluminum construction (starting at just 2.9kg empty weight) ensures easy handling while maintaining exceptional thermal performance with static holdover up to 286 days.

Origin: Beijing, China

Key Advantages:

High-Density Storage: Holds up to 16,400 quarter-cc straws (YDS-35-125 model)
Energy Efficient: Static evaporation as low as 0.07L/day (YDS-2-35 model)
Secure Sample Protection: Includes lockable lids and optional protection suits
Enhanced Mobility: Roller base available for ≥30L models
Dual Warranty: 2-year parts warranty + 5-year vacuum warranty
Smart Monitoring: Optional CryoNBD2000 level & temperature sensors

4. New Arrival China 230 Liter Liquid Nitrogen Dewar

The Runfeng 230 Liter liquid nitrogen dewar represents the latest innovation in cryogenic storage technology from China. This premium-grade dewar features a robust stainless steel construction with advanced vacuum insulation, designed specifically for high-volume storage of liquid nitrogen, oxygen, and argon. With its 230L capacity, this China-manufactured dewar offers exceptional thermal performance while meeting the most demanding industrial and medical applications.

Engineered with patented multi-layer winding technology, this liquid nitrogen dewar achieves industry-leading evaporation rates of less than 1.5% per day. The China-based manufacturer Runfeng implements rigorous quality control, with each unit undergoing 72-hour pressure testing and vacuum integrity verification before shipment. Specialized applications include semiconductor manufacturing (where ultra-low temperatures are critical), biomedical sample preservation, and aerospace component testing - demonstrating the versatility of this China-sourced cryogenic solution.

This liquid nitrogen dewar from China is particularly suitable for: medical oxygen supply, metal processing industries, argon-arc welding operations, and food/pharmaceutical preservation. The firm foundation structure with bolt-fastened frame ensures stability during transport and operation.

Origin: China

Key Features:

Multi-Gas Compatibility: Safely stores LN2, LO2, LAr with 25-layer vacuum insulation
Industrial-Grade Construction: Made from S30408 stainless steel with refined polish
Advanced Safety Systems: Protective rings and shock-absorbing rubber cushions
Precision Monitoring: Optional digital level gauge with percentage display
Customizable Configurations: Available with brass vaporizer coils or pressure built coils
Global Certifications: Meets international standards for cryogenic storage

5. Professional China Isotherm Liquid Nitrogen Dewar

The Haishengjie Wide Neck Laboratory Series represents the pinnacle of China's cryogenic technology, offering professional-grade liquid nitrogen dewar solutions for research institutions worldwide. Manufactured in China with aerospace-grade aluminum, these isothermal dewars combine exceptional thermal efficiency with intelligent sample management systems. The wide-neck design (210mm diameter) accommodates high-volume biological samples while maintaining ultra-low evaporation rates, certified to meet stringent CE standards.

Engineered with 25-layer vacuum superinsulation, this China-made liquid nitrogen dewar achieves industry-leading thermal performance with static holding times up to 300 days. The integrated smart monitoring system features IoT connectivity, enabling real-time tracking of liquid nitrogen levels and temperature gradients through mobile apps. Specialized applications include long-term preservation of stem cells, vaccines, and genetic materials - demonstrating the versatility of this China-developed cryogenic solution for modern laboratories.

Origin: China (CE Certified)

Core Features:

Advanced Thermal Design: Multi-layer vacuum insulation achieves ≤0.5L/day evaporation
Intelligent Monitoring: Optional real-time level tracking with audiovisual alarms
Sample Management System: Color-coded racks and cryo-boxes for efficient retrieval
Enhanced Security: Lockable lids protect valuable specimens (optional)
Mobility Options: Heavy-duty roller base for easy relocation
Long-Term Warranty: 5-year vacuum guarantee on all units

6. Chinese wholesale China Liquid Nitrogen Tank Dewar for Cryogenic Storage

The HL Cryogenic Equipment Series represents premium China-manufactured liquid nitrogen dewar solutions for industrial-scale cryogenic storage. Engineered with vacuum-insulated shut-off valves and piping systems, this China-sourced equipment minimizes thermal losses during LN2 transfer, achieving ≤0.5% daily evaporation rates even in high-throughput environments. The stainless steel (304) construction with DN15-DN150 connectivity options ensures compatibility with global cryogenic infrastructure standards.

Designed for -196℃ ultra-low temperature operations, this liquid nitrogen dewar system from China supports diverse applications including semiconductor manufacturing, biopharmaceutical storage, and aerospace component testing. The prefabricated vacuum jacketing eliminates on-site insulation requirements, reducing installation time by 70% compared to conventional systems while maintaining 40bar pressure tolerance for industrial-grade reliability.

This China-made cryogenic solution serves 12+ industries including chip fabrication (-196℃ wafer testing), vaccine cold chain logistics, and superconducting magnet cooling. The modular design allows seamless scaling from laboratory-scale dewars to bulk storage systems with 10,000L+ capacity, all backed by China's leading cryogenic engineering expertise.

Origin: China (ISO Certified)

Core Advantages:

Zero On-Site Assembly: Pre-installed vacuum valves/pipes eliminate field insulation
Multi-Gas Compatibility: Handles LN2, LOX, LAr, LH2, LNG with ≤4.0MPa pressure
Maintenance-Friendly Design
Custom Connectivity: Flange/VCR couplings adaptable to existing systems
Thermal Efficiency: 25-layer vacuum insulation reduces boil-off by 90%
OEM Acceptance: Integrates with third-party cryogenic valves per specifications

7. 50L Cryogenic Dewar Flask KGSQ Liquid Nitrogen Dewar

The KGSQ YDS-50 represents a premium liquid nitrogen dewar solution from China, engineered for reliable cryogenic storage in laboratory and research settings. Manufactured by Henan Tianchi Biological Technology with 20 years of expertise, this 50-liter dewar features high-strength aluminum alloy construction with 125mm+ neck diameters, optimized for convenient sample access while maintaining ultra-low evaporation rates. Certified to ISO/CE/SGS standards, this China-made dewar excels in long-term preservation of biological specimens including cell lines, animal semen, and research embryos.

This China-manufactured liquid nitrogen dewar series offers scalable solutions from 30L to 190L capacities, with the YDS-50 model striking the ideal balance between storage volume and space efficiency. The wide-neck design (216mm on larger models) paired with optional roller bases creates a flexible cryogenic workflow for IVF clinics, veterinary research centers, and biobanks requiring dependable -196℃ storage.

Origin: China (ISO/CE/SGS Certified)

Key Features:

Optimized Thermal Design: Multi-layer vacuum insulation achieves industry-leading evaporation rates
Large-Access Configuration: 125mm+ neck diameter facilitates easy sample retrieval
Integrated Pressure System: Compatible with self-pressurizing stainless steel refill tanks
Versatile Storage: Accommodates cryoboxes and canisters for organized specimen management
Lightweight Construction: Aircraft-grade aluminum reduces empty weight by 30% vs steel models
Field-Proven Reliability: 20-year manufacturing heritage with global certifications

8. 10L Dewar Liquid Nitrogen Container

The LABOAO YDS-10 Series represents compact liquid nitrogen dewar solutions from China, designed for portable cryogenic storage with laboratory-grade performance. Manufactured with aerospace aluminum alloy, these 10-liter dewars achieve an exceptional balance between lightweight construction (6.3kg) and thermal efficiency, featuring evaporation rates as low as 0.09L/day in superior-grade models. With neck diameters ranging from 50mm to 210mm, this China-made series accommodates diverse research needs while maintaining CE/ISO certified quality standards.

This China-manufactured liquid nitrogen dewar excels in mobile applications including vaccine transport, field specimen collection, and university research projects. The 15-year R&D heritage ensures reliable performance for biomedical storage (-196℃), with optional OEM configurations available for specialized research requirements. From university labs to mobile clinics, the YDS-10 series delivers China's cryogenic engineering expertise in a compact, economical package.

Origin: China (CE/ISO Certified)

Key Features:

Portable Design: 550mm height with 6.3kg empty weight for easy transport
Multi-Specimen Storage: Numbered canisters for organized biological samples
Enhanced Safety: Lockable lids and protective covers prevent sample contamination
Thermal Excellence: 5-year vacuum warranty with ≤0.09L/day evaporation
Flexible Configuration: 5 neck size options (50-210mm) for different access needs
Field-Ready: Includes measuring stick and padded cover for field research

9. 6L Cryogenic Storage Vessel Dewar Small Capacity Semen Tanks

The CNCD YDS Series 6L liquid nitrogen dewar from China delivers portable cryogenic solutions for specialized storage needs. Manufactured by Xinxiang Chengde with aerospace-grade aluminum alloy, this compact dewar combines lightweight construction (under 5kg) with high-vacuum multilayer insulation, achieving evaporation rates below 0.1L/day. Designed in China for global markets, this micro-capacity dewar features an ergonomic handle and optional lockable cover, making it ideal for mobile medical, food service, and beauty applications requiring precise -196℃ temperature control.

This China-made liquid nitrogen dewar serves six core industries including: molecular gastronomy (liquid nitrogen ice cream production), veterinary semen preservation, cosmetic cryotherapy, and stage effects generation. The 6L model bridges the gap between laboratory precision and field mobility, featuring a protective bumper cover that withstands 1.5m drop tests - a testament to China's advanced cryogenic engineering for compact storage solutions.

Origin: China (ISO Certified Manufacturer)

Key Advantages:

Ultra-Portable Design: 6L capacity with under 5kg empty weight for field use
Multi-Industry Application: From semen storage to liquid nitrogen desserts
Secure Sample Protection: Optional locking lid prevents unauthorized access
Thermal Efficiency: ≤0.1L/day evaporation with 25-layer vacuum insulation
Ergonomic Handling: Flexible grip handle with anti-slip texture
Global Compliance: CE certified with export-standard packaging

10. 500L 700MM Horizontal Type Cryogenic Nitrogen Dewar

The YA Series 500L Horizontal liquid nitrogen dewar represents China's industrial-grade cryogenic storage solution, engineered for high-volume gas supply systems. Manufactured in Shandong Province, this 700mm-diameter horizontal dewar features low-pressure storage (≤1.5MPa) with multi-level safety protections, delivering gas purity levels up to 99.999% for nitrogen. With monthly production capacity of 300,000 units, this China-made workhorse replaces 30+ conventional gas cylinders while reducing footprint by 60%, making it ideal for centralized gas distribution in manufacturing plants and research campuses.

This China-manufactured liquid nitrogen dewar transforms industrial gas management across semiconductor fabrication, metal processing, and pharmaceutical production. The horizontal configuration enables fork-lift loading and direct pipeline integration, while the China-developed vaporization system maintains consistent -196℃ temperature gradients across all 500L capacity. From aerospace component testing to food freezing tunnels, the YA Series delivers China's cryogenic engineering at industrial scale.

Origin: Shandong, China (Industrial Manufacturing Base)

Core Benefits:

Space-Saving Design: Horizontal 700mm profile fits standard industrial layouts
Ultra-High Purity: Delivers 99.999% N2/99.995% Ar with direct liquid vaporization
Safety Engineered: Triple-valve protection system with pressure relief safeguards
Gas Savings: 100% utilization rate vs 15% residual loss in cylinder systems
Rapid Deployment: Standard 20-day production lead time with global logistics
Scalable Solutions: Modular design supports pipeline gas distribution networks

Conclusion: Finding the Right Liquid Nitrogen Dewar for Your Needs

China has emerged as a global leader in cryogenic storage technology, offering a diverse range of liquid nitrogen dewars to meet every application—from compact lab units to industrial-scale tanks. Whether you need smart monitoring (like the Danclan Cryosmart Series), ultra-low evaporation (such as KGSQ’s ISO-certified models), or high-capacity storage (like YA’s 500L horizontal dewars), Chinese manufacturers deliver reliability, innovation, and cost-effectiveness.

Looking for the perfect liquid nitrogen dewar?

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