Product Series
Our Dewar flasks are high-vacuum insulated cryogenic containers engineered for the long-term storage and transport of liquefied gases including liquid nitrogen (LN2), liquid oxygen (LOX), and liquid argon (LAR). Featuring a double-layer stainless steel structure with multi-layer insulation, our flasks deliver exceptionally low daily evaporation rates and reliable thermal performance.
Feature Box
Superior Insulation
Featuring a double-layer stainless steel structure with high-vacuum multi-layer technology, our flasks ensure minimal evaporation rates and consistent temperature control for long-term cryogenic storage.
Robust Safety
Engineered with reliable pressure relief valves and leak-proof construction, our vessels are designed to exceed rigorous safety standards, protecting your personnel and infrastructure in high-demand environments.
Global Compliance
Our products are fully certified to international standards—including DOT, CE, GB, and ASME—ensuring seamless regulatory acceptance and verified quality across global markets.
Reliable Performance
Built for durability, our flasks offer stable, 24/7 performance for critical applications, backed by our commitment to precision manufacturing and rapid emergency technical support.
Dewar Flask Applications
From biomedical storage and semiconductor manufacturing to food processing and industrial gas distribution, our Dewar flasks serve a wide spectrum of cryogenic applications.
Biomedical & Laboratory Storage
In biomedical and laboratory settings, maintaining the integrity of biological samples demands precise and stable cryogenic conditions. Our Dewar flasks provide exceptional thermal performance with ultra-low daily evaporation rates, ensuring the safe preservation of cell lines, vaccines, blood products, and other temperature-sensitive biological materials.
Semiconductor & Industrial Gas Supply
Semiconductor fabrication and advanced manufacturing processes require an uninterrupted supply of high-purity liquefied gases. Our Dewar flasks are built with high-vacuum multi-layer insulation and robust valve configurations, ensuring a stable and contamination-free gas supply. The safety-focused design, including pressure relief protection and leak-proof structures, minimizes operational risks and safeguards both equipment and personnel in demanding 24/7 production environments.
Food Processing & Diverse Cryogenic Uses
Beyond healthcare and electronics, our Dewar flasks adapt seamlessly to food processing, metal treatment, and scientific research applications. Whether for flash freezing in food production, cryogenic grinding, or inert atmosphere creation, the versatile design accommodates a range of liquefied gases and operating conditions. Our comprehensive capacity options allow customers across industries to select the precise configuration that matches their throughput requirements and operational workflows.
Advantages
High-Vacuum Multi-Layer Insulation
Our Dewar flasks employ a double-layer stainless steel structure with high-vacuum multi-layer insulation technology, delivering exceptionally low daily evaporation rates and stable long-term cryogenic storage. This advanced thermal design ensures consistent temperature performance for liquid nitrogen, oxygen, and argon across all capacity models.
Certified Safety & Reliability
Safety is at the core of every Dewar flask we manufacture. Built with leak-proof construction, pressure relief protection, and robust industrial-grade valve configurations, our flasks minimize operational risks. They are engineered to safeguard both personnel and equipment, even in continuous 24/7 industrial and medical environments.
Global Standards Compliance
All Dewar flasks are designed and certified to meet international standards including DOT, CE, GB, and ASME. This multi-standard compliance ensures our products are accepted in markets worldwide, providing our customers with confidence in quality, durability, and regulatory conformity.
Comprehensive Service & Support
We offer more than just a product — we provide end-to-end support. From pre-sales consultation to help you select the right Dewar flask configuration, through to global after-sales service and a 48-hour emergency response commitment, our team ensures your cryogenic storage needs are met with professionalism and speed.
Why Choose Us
With our global distribution network and dedicated after-sales support, we ensure timely delivery and responsive service for your Dewar flask requirements.
Expert Consultation & Custom Solutions
Not sure which Dewar flask capacity or configuration fits your application? Our experienced team provides step-by-step guidance — from assessing your cryogenic storage requirements to recommending the optimal model for your specific industry needs.
Global Certification & Compliance
Our Dewar flasks are certified to DOT, CE, GB, and ASME international standards, ensuring full compliance across global markets. We help our customers navigate regulatory requirements with confidence, backed by rigorous quality control and proven manufacturing expertise.
Reliable Supply & After-Sales Network
Related Product
FAQs
Contact Us
Gansu Shenleng Cryogenic Equipment Co., Ltd. is a specialized supplier of cryogenic storage solutions, focusing on the research, manufacturing, and sales of high-performance Dewar flasks for biomedical, semiconductor, and industrial applications.
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Keep in Touch With Us
If you have any questions or requirements regarding Dewar flask solutions, please feel free to contact our customer service team.
Mob：+86-17693104145
E-mail：yongy0223@gmail.com
+86-17693104145 
Lanzhou New Area, Lanzhou City, Gansu Province, on the second floor to the east of New Harbor Road, to the east of Building Materials Road No. 2, to the west of Qilian Mountain Avenue (Jingqi Road)