1. Product Description  Based in Shanghai, SEFIC is a professional supplier of gas and gas equipment. Established in the 1990s, the company has accumulated extensive experience and has become one of the leading suppliers of various types of gas and gas equipment. Additionally, it was among the first in the country to obtain the Pressure Vessel Type A2 and C2 license, as well as ISO9001 and ISO14000 certifications, Private Hi-Tech Enterprise, Hi-Tech Enterprise, and Special Equipment Manufacturing Permission. SEFIC can supply a wide range of gas cylinders with TUV, TPED, CE, and DOT certifications.  With over 30 years of experience in the gas equipment industry, SEFIC has built a strong reputation worldwide. Our products have satisfied customers from more than 50 countries globally. So far, our business has expanded to regions such as the US, EU (mainly Germany, Portugal, Romania, and Bulgaria), South America (mainly Chile, Peru, and Bolivia), and Africa (mainly Angola and South Africa). We also display common steel cylinder samples at our headquarters for customer convenience, allowing them to view samples and learn more about SEFIC products. If you need information on steel or aluminum cylinders, we provide catalogues and samples. Feel free to call or email us, or visit our official website: www.sefic.com.cn, or leave a message on the product page. SEFIC will be happy to assist you!  SEFIC has extensive experience in business operations and management, and is capable of processing various types of gas cylinders. The company has obtained certifications such as ISO from the International Standardization Organization, DOT from the USA, TC from Canada, TUV from Germany, KGS from Korea, and others. Adhering to the corporate philosophy of "regard quality as credit, credit as brand, and brand as life," and "repeat simple things with heart, quality comes from concentration." With safe and reliable products and quality service, SEFIC has established a good corporate image and received recognition and praise from the industry.  In 2005, SEFIC aimed to transform and expand into the global market by evolving from a gas equipment manufacturer into a gas project solution provider and establishing overseas marketing teams in its headquarters. By providing gas equipment and technology support to several new plants, we achieved significant growth. With high-quality products, competitive pricing, fast delivery, and superior service, SEFIC has earned the trust and praise of its customers. Since 2005, SEFIC has established trade relations with over 30,000 customers across more than 50 countries and regions. Many of our VIP clients have visited SEFIC multiple times and discussed regional agency services with us. Currently, SEFIC has established product agency services with clients in Italy, Saudi Arabia, South Africa, Uganda, Cambodia, Kuwait, Iran, Malaysia, and other countries. Cooperation with SEFIC brings the following advantages: 4. Contact Us Manager: David Model Q Series Quintuplex Plunger Pump
*Flows are based on 100% volumetric efficiency. Brake Horsepower /Kilowatts Required is based on 90% Mechanical Efficiency. Consult YouLong for
continuous service speeds in excess of 335 RPM.
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The CO2 cylinders are manufactured using high-quality seamless steel pipes, ensuring consistent height, smooth painting, and excellent properties. These cylinders are widely used in industries such as steel cutting, welding, electronics, and medical fields. They are designed for repeated use, primarily to store argon gas, which is commonly utilized in steel cutting, welding, electronics, and medical applications.
Type
SEFIC gas cylinder
Outside diameter
89-267mm
Water capacity
2-80L
Height
430-1815mm
Working pressure
150-300Bar
With Cap Height
490-1900mm
Test pressure
250-450Bar
Weight
3.4-80kg
Design wall thickness
1.9-6.0mm
Material
37Mn 34CrMo4
Storage gas
0.3-15M³
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Color
Green, Black, White, Blue, Yellow, as Requested/as per your requested
Filling medium
Air, oxygen, argon, hydrogen, helium, nitrogen, carbon dioxide, special gas and mix gas
Packing
1.bulk loading; 2.packed in plastic woven net; 3.packed in wooden pallets; 4.as required.
About SEFIC
As a China gas cylinder manufacturer, SEFIC offers Oxygen Gas Cylinder, Nitrogen Gas Cylinder, Argon Gas Cylinder, CO2 Gas Cylinder, Hydrogen Gas Cylinder, Helium Gas Cylinder, Acetylene gas cylinder, CO2 Cartridge and Aluminum Cylinder … CE/TUV certified.
ISO9809 CO2 Gas Cylinder
High pressure CO2 Gas Cylinder
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3. Company Profile
 SEFIC certificate of the gas cylinder
SEFIC gas cylinders have served customer satisfaction from more than 50 countries
SEFIC gas cylinder sample display area
General situation of SEFIC gas cylinder production workshop
SEFIC sales team for foreigners
HIGH QUALITY
SEFIC implements a strict and complete quality control system, ensuring that each gas cylinder meets customer requirements and is inspected thoroughly before shipment.LOWER PRICE
SEFIC always provides lower prices! We continuously seek ways to reduce costs, offering competitive pricing to our customers. Cooperate with SEFIC, choose a trustworthy partner!
QUICK DELIVERY TIME
We are committed to ensuring safe and punctual delivery of all gas cylinder shipments, with many partners providing the fastest transportation options.GOOD SERVICE
SEFIC offers different series and models to meet various standards in different countries, and is dedicated to providing the best service. Cooperate with SEFIC, choose a trustworthy partner!
ORIGINAL Manufacturer
Cooperation with SEFIC allows for direct relationships from the manufacturer to the customer, improving production and delivery efficiency of gas cylinders.LARGE OUTPUT
SEFIC has professional equipment for gas cylinders and can produce over 50,000 units per month.
EXPORTING Experience
SEFIC implements a strict and complete quality control system, ensuring that each gas cylinder meets customer requirements and is inspected before shipment.OEM ACCEPTED
We accept OEM work, SEFIC can manufacture gas cylinder handles, caps, valves, markings, and colors as per your request.
    Tel: 0086-21-6601 9677
M.P: 0086-180 1766 2601Â Â Fax: 0086-21-6601 9679
    Web: www.sefic.com.cn
ADD: NO.6598., Hutai Road, Baoshan district, Shanghai, China 201908
Model NO.: SEFIC-68L
Trademark: SEFIC
Specification: TPED/DOT/TC/GB/JIS
Origin: Shanghai
HS Code: 7311001000
Model NO.: SEFIC-68L
Trademark: SEFIC
Specification: TPED/DOT/TC/GB/JIS
Origin: Shanghai
HS Code: 7311001000
2. Gas Cylinder Process