ASME Certified
Cryogenic Storage Tank Supplier
stationary cryogenic tanks
Vacuum Insulated Cryogenic Bulk Tank Solutions
DSW is a professional manufacturer of vacuum insulated cryogenic bulk tanks and stationary storage systems for industrial gas, LNG, medical, energy, and manufacturing applications.
We design and produce large-capacity cryogenic pressure vessels for the safe storage and distribution of liquid oxygen (LOX), liquid nitrogen (LIN/LN₂), liquid argon (LAR), LNG, and other cryogenic liquids.
Our product range covers stationary cryogenic storage tanks and industrial gas storage systems designed for long-term, high-efficiency operation.
All tanks are manufactured using advanced vacuum insulation technology and precision pressure vessel fabrication processes, ensuring high thermal performance, operational safety, and low evaporation loss.
With strong OEM capability and global export experience, we supply cryogenic storage solutions to gas distributors, LNG projects, hospitals, EPC contractors, and industrial facilities worldwide.
- Quality
- Accuracy
- Safety
- Reliance
Gas Equipment Exporter
WHY US BluNet?
Listed by China General Administration of Customs from 2019 , providing fresh “China data”.
Why Choose DSW?
Cryogenic Bulk Tank Manufacturer
ASME Certified Pressure Vessel Manufacturing
DSW manufactures cryogenic pressure vessels according to international industrial standards and project-specific engineering requirements.
Available standards include:
- ASMEpressure vessel design
- CE / PEDEuropean certification
- ISOquality management system
- GB Standardsnational standard compliance
- Inspectionthird-party inspection
- Custom Complianceproject-specific standards
Gas Equipment Exporter
Cryogenic Bulk Tank Applications
Our vacuum insulated cryogenic storage tanks are widely used across multiple industrial sectors.
Industrial Gas Supply Systems
LNG Storage & Energy Systems
Medical Oxygen Storage
Food Freezing & Cryogenic Processing
Semiconductor & Electronics Industry
Cryogenic Tank Materials & Structural Design
Material selection is critical for cryogenic temperature resistance, structural integrity, and long-term operational safety.
Our cryogenic bulk tanks commonly use:
- Stainless steel inner vessels
- Carbon steel outer shells
- Multi-layer vacuum insulation systems
- Cryogenic-grade piping components
- Low-temperature compatible structural materials
Tank design considerations include:
- Thermal insulation performance
- Pressure resistance
- Corrosion protection
- Structural strength
- Vacuum retention
- Cryogenic compatibility
- Safety compliance
Quality Control & Cryogenic Tank Testing
Cryogenic pressure vessels require strict manufacturing control and inspection procedures to ensure operational reliability and safety.
Testing Procedures Include:
- Hydrostatic testing
- Pneumatic testing
- Helium leak testing
- Vacuum testing
- Pressure retention testing
- X-ray weld inspection
- NDT inspection
- Safety valve testing
- Dimensional inspection
Every cryogenic storage tank is inspected before shipment according to project specifications and applicable international standards.
WHAT THEY SAY?
Industrial Gases and Equipments
I just made a public announcement here at the office that if there was such a award for Vendor of the Year, you would receive it. We would all vote for you and you have just went above and beyond!

Islamic Republic of Iran
I wanted to thank you and your crew for getting this turned so quickly! Much appreciated and this is why I always choose BluNet for my needs! Well done and this service level is EXACTLY why I choose to use BluNet on my order!

Nicolas CageIndustrial Inc.
BluNet always has what we need at the right price. Jon is a great help even when it’s hard to find. From the office to Tom or anyone else in the back, ordering some cryo tanks is always a pleasure.

John AlabertaIndustrial Factory
Global Export Experience
DSW supplies cryogenic bulk storage tanks and industrial gas storage systems to international markets worldwide.
Export Support Includes:
- International logistics coordination
- Export packaging
- Technical documentation
- Compliance support
- Installation guidance
- OEM project management
- Distributor cooperation
- After-sales technical support
We’re Hiring, Join Our Talent Team
Feel free to contact us and send your resume

China General Administration of Customs announced a new round of survey sample enterprises of China Export Leading Indicator. Ningbo BluNet International Co., Ltd is one of the enterprises on the list from 2019, providing fresh “China data” for this indicator survey in the future.
Our technicians are fully trained in the many fields of industrial cryogenic tanks, nitrogen dewars, and gases. Our technicians are available 24 hours a day, seven days a week, to assist you.
We can assist you in finding new resources, the total solution for your nitrogen dewar or cryogenic equipment, and even building a new plant.
BluNet International is your one-stop resource for gas equipment and cryogenic equipment installation services; its reputation speaks for itself as one of the finest companies worldwide.
















