1.SEFIC has been specializing in seamless steel cylinders designing and manufacturing for many years, and has gained a good reputation at home and abroad with the support of professional and powerful team.

2. Our gas cylinders are made from superior steel 37Mn, 34CrMo4 and 30CrMo so that they features high strength, lightweight and corrosion resistance etc.

3. Our gas cylinders interior and exterior are treated by passivation which can make sure the gases clean ,odorless and anticorrosive.

4.SEFIC production and management are carried out under ISO9000 Quality Management System strictly and keep a good quality.

5.There are various kinds of gas cylinders for your choice and we can also design and manufacture any non-standard gas cylinder according to customers’ requirement.

Small CO2 Cylinder
1.Gas:CO2
2.Pressure: High
3.Outside Diameter:140Mm
4.Certification:TPED/DOT

Gas Cylinder: gas cylinder is a pressure vessel used to store gases at above atmospheric pressure. High pressure gas cylinders are also called bottles. We can manufacture various specifications of big, medium and small steel gas cylinder with capacity from 1L to 80L, working pressure from 15Mpa to 30Mpa and test pressure from 22.5Mpa to 45Mpa. Our steel gas cylinder can be filled with oxygen, hydrogen, argon, nitrogen and CO2 and used in industry welding, fire-fighting and medical treatment. 

We are not only gas cylinder suppliers, but also the first-rate service providers. We are prepared for your demand and question at any time. Please feel free to send us message if you have any interest or question about our products. We sincerely hope we can be partners in the coming future! 

Creative and Trustworthy Company:

Located  in Shanghai, SEFIC is one of  professional suppliers of gas equipment such as gas cylinders, storage tanks and gas filling stations and affiliated equipment parts such as gas cylinder valves, tulip caps and steel pipes. We have many years' experience in gas industry and have received a good reputation in this field. Our products have been exported to many countries such as U.S.A. and European countries and enjoy popularity all over the world.

Quality and Security System:

We have implemented strict complete quality and secutiry control system, which ensures that each product can meet the quality and security requirement of our customers. We have been adopting the advanced science and technology to produce gas culinders and affiliated equipment since our company is established. In addition, all of our products have been strictly inspected before shipment.

We Are Reliable Partners!

We are dedicated to realizing the largest profit for both our clients and ourselves. We have been making great effort to achieve this win-win project and sincerely hope we will have long-term partnership in the soon future!

All clients are welcome to our compy for visit!

Q_1:What is the capacity of steel gas cylinder?

A_1:10L

Q_2:What is the delivery time of steel gas cylinder?

A₂:Within 30 Days once deposit paid and workshop drawings confirmed.

Q_3:Do you have any protection for the head of steel gas cylinder?

A_3:Yes, each cylinder is equiped with a tulip cap which can make sure the security of the product during the transportation.

Please feel free to contact us if  you need further information.

Best regards!

Nick Wang.

Detailed Address: No.222, Meidan Road, BaoShan District, Shanghai, China 201908

Tel:0086-21-66019678 Fax:0086-21-66019679