Seamless steel Gas Cylinder
Our DOT-certified industrial cylinders are specifically designed for high-pressure gas storage and transportation. Made with high-strength materials, they possess excellent compression and corrosion resistance, making them widely used in industries such as gas storage, medical, and welding. Each cylinder undergoes rigorous safety testing to ensure their safety and reliability during use. We offer a variety of capacities and working pressure options to meet different needs. Choose our DOT-certified cylinders for efficient and safe gas storage transportation.
Implementation standard |
Cylinder Model and Standard |
Norminal Working Pressure |
Hyd.test Pressure |
Design Wall Thickness (mm) |
Material |
Bottom Shape |
Outer Diameter (mm) |
Water Capacity (L) |
Length (mm) |
Weight (kg) |
DOT-3AA |
279-V-2495 psig |
172 bar (2495 psig) |
287 bar (4163 psig) |
7.1 |
30CrMo (4130X) |
Concave |
279 |
60 |
1263 |
77.9 |
Range of Application
Steel gas cylinders are often used for metal processing, such as welding (such as argon arc welding, gas welding, etc.) and cutting (oxygen cutting, etc.), oxygen and acetylene cylinders are often used. It can also be used in machinery manufacturing for all kinds of machinery assembly, maintenance process of pneumatic tool drive.
Why Choose Us?
- Strong production capacity:With a self-built factory covering over 56,000 square meters and employing over 240 staff, the company has the capacity to produce 300,000
- Direct sales from the source factory:By eliminating foreign trade companies, purchasers can directly access the manufacturer for one-stop procurement
- 10 years of industry experience:The factory holds IATF 16949 and ISO 9001 quality management system certificates,
- Customization capability:Our products can be customized according to your preferences, including color, size, thread, and logo.
- At present, the company has 6 gas cylinder spinning production lines, 3 heat treatment and tempering lines, 2 automatic production lines for machine adding, spraying and winding, and 1 LPG composite gas cylinder production line
Cylinder Product Inspection Display
The factory undergoes multiple cylinder inspections to ensure product safety and reliability, so you can purchase with confidence and use with safety. Each inspection procedure is scientific and rigorous, leaving no room for any negligence. From material selection to production processes, cylinders strive to combine excellent quality with impeccable safety. Every aspect highlights exquisite craftsmanship and quality assurance.
Quality Control
Our emply gas cylinders have international certifications such as ISO 11439, ISO11119, ISO9089, UN ISO9809, ECE R110, EN11245, as well as our own international quality system certifications such as ISO9001 and IATF 16949. We know you want to keep improving the quality of your products. On the other hand, we pay attention to detail and pay attention to quality. Because we believe that every small step affects the value and quality of the final product.
Since its establishment over ten years ago, the company has a self-built factory covering an area of 56,000 square meters. We currently have a workforce of 240 employees, including 50 senior technical and management personnel. Additionally, we possess the production capacity to manufacture 300,000 various types of gas cylinders per year, as well as 9,000 sets of CNG framework assemblies and gas supply systems.