DSW International is a prominent manufacturer and supplier specializing in cryogenic tanks, microbulk tanks, and dewars worldwide. With our exceptional manufacturing capabilities, we have established a strong reputation as an industry leader, setting high standards for quality and performance and enjoying global demand and recognition.
Headquartered in Ningbo City, Zhejiang Province, DSW International operates with regional offices and advanced manufacturing facilities in China. Our state-of-the-art production facilities enable us to achieve a remarkable monthly output capacity of 600,000 gas cylinders.

  • Quality
  • Accuracy
  • Safety
  • Reliance
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Cryogenic Tanks & Nitrogen Dewars


Since 2019, DSW has been officially listed and indexed by the China General Administration of Customs, ensuring the availability of up-to-date and accurate “China data.”

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DSW aims to provide high-quality, reliable, innovative solutions for storing and transporting cryogenic gases for customers all over the world.
We design and produce cryo tanks that meet stringent safety standards and regulations, ensuring the secure storage and transportation of liquefied gases.

  • ManProfessional workers
  • MaterialHigh quality steamless steel
  • Machine Advanced Equipment
  • MethodPDCA & 4M1E ISO9000


Nitrogen Dewar & Cryogenic Vessels

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!

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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 DSW for my needs! Well done and this service level is EXACTLY why I choose to use DSW on my order!

Nicolas CageIndustrial Inc.

DSW 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



DSW seeks opportunities to expand its global reach and establish strategic partnerships or collaborations with industry leaders.
We are committed to leveraging these alliances to enhance its presence in international markets and drive mutual growth and success.


We’re Hiring, Join Our Talent Team

Feel free to contact us and send your resume

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Honors and Reputation

The China General Administration of Customs has recently released an updated list of survey sample enterprises for the China Export Leading Indicator. Among the listed enterprises since 2019 is Ningbo DSW International Co., Ltd. This inclusion signifies that DSW will contribute fresh and relevant “China data” to the indicator survey in the coming period, providing valuable insights for analysis and forecasting.

Full Service Offering from DSW

Our team of technicians possesses comprehensive expertise in various aspects of industrial cryogenic tanks, nitrogen dewars, and gases. They have received extensive training in these areas, ensuring their proficiency in handling related tasks. We take pride in offering round-the-clock availability, with our technicians ready to provide assistance whenever you need it, 24 hours a day, seven days a week.

What can we do for you?

Our services encompass a wide range of support, including aiding you in the exploration of new resources, providing comprehensive solutions for your nitrogen dewar or cryogenic equipment requirements, and facilitating the establishment of new plants. We are dedicated to assisting you throughout the entire process, ensuring that your specific needs are met efficiently and effectively.

GO-TO resource for gas equipments

DSW 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.