
Our Seamless Steel Oxygen Cylinders are mainly produced conformity with Standard GB5099-94, ISO9809-1/3 and EN1964. The raw material is either Seamless Steel Pipe or Steel Billet.
Type | Diameter (mm) | Capacity (L) | Height (mm) | Weight (kg) | Working pressure(Mpa) | Design wall thickness(mm) | Material |
WMA140-4-15 | 140 | 4 | 372 | 5.77 | 15 | 4.1 | 37Mn |
WMA140-5-15 | 5 | 458 | 7.52 | ||||
WMA140-8-15 | 8 | 671 | 10.72 | ||||
WMA152-7-15 | 152 | 7 | 528 | 9.57 | 15 | 4.4 | 37Mn |
WMA152-8-15 | 8 | 600 | 10.66 | ||||
WMA152-10-15 | 10 | 726 | 12.6 | ||||
WMA152-15-15 | 15 | 1012 | 17.7 | ||||
WMA159-4-15 | 159 | 4 | 320 | 6.8 | 15 | 4.4(GB5099) 4.7(ISO 9809-3) | 37Mn |
WMA159-8-15 | 8 | 554 | 10.8 | ||||
WMA159-10-15 | 10 | 665 | 12.7 | ||||
WMA159-15-15 | 15 | 945 | 17.5 | ||||
WMA219-20-15 | 219 | 20 | 710 | 27.8 | 15 | 5.7(GB5099) 6.1( ISO 9809-3) | 37Mn |
WMA219-40-15 | 40 | 1325 | 48.5 | ||||
WMA219-45-15 | 45 | 1455 | 50.8 | ||||
WMA219-50-15 | 50 | 1605 | 55.6 | ||||
WZA232-40-15 | 232 | 40 | 1160 | 44.2 | 15 | 5.3 | 37Mn |
WZA232-47-15 | 47 | 1350 | 50.3 | ||||
WZA232-50-15 | 50 | 1430 | 53 | ||||
WZA267-40-15 | 267 | 40 | 930 | 45.5 | 15 | 5.8 | 37Mn |
WZA267-50-15 | 50 | 1127 | 53.9 | ||||
WZA267-70-15 | 70 | 1521 | 70.7 | ||||
WGA232-30-20 | 232 | 30 | 916 | 37.4 | 20 | 5.2 | 34CrMo4 |
WGA232-38-20 | 38 | 1127 | 44.8 | ||||
WGA232-40-20 | 40 | 1180 | 46.7 | ||||
WGA232-46.7-20 | 46.7 | 1358 | 52.9 | ||||
WGA232-47-20 | 47 | 1366 | 53.2 | ||||
WGA232-50-20 | 50 | 1445 | 56 | ||||
WGA232-60-20 | 60 | 1710 | 65.2 |
Our Seamless Steel Oxygen Cylinders can be widely used in many fields, such as industry, medical equipment, fire protection and scientific research, for storage and transport of permanent gases and high pressure liquefied gases, such as Oxygen Gas, Carbon Dioxide Gas, Argon Gas, Nitrogen Gas, Helium Gas, Carbon Monoxide Gas, SF6 Gas, Air, etc.
Our Oxygen Cylinder is widely applied in chemical, metallurgical, mechanical, medical, scientific research and building industry.
We have implemented strict and complete quality control system, which ensures each gas cylinder can meet quality requirements. All gas cylinders must be strictly inspected before shipment.


As a big gas cylinder factory, our output is over 4000 PCS per day, that will effectively reduce labor cost and other cost of gas cylinders like valve and raw materials. That's why we could always offer you best price !
We have worked in this field for over 10 years, all of our egineers and sales could supply best suggestions and answers for your queations, no matter gas cylinders or the gas filling process in fillowing.
Since now, we could supply you:
1. Gas filling service: Argon, CO2, Helium, Oxygen, Nitrogen, ect.
2. Used Gas cylinder insepection service too keep safe
3. Related gas equipment supply
When you chose RUIMING, you chose a trustworthy partner!


Normal delivery time for 40L gas cylinder: 15 days
50L 200 BAR gas cylinders: 25-30 days
If you need gas filling , it will take more 10 days.
OEM is accepted in our company, no matter COLOR, VALVE, CAP/HANDLE, and marks. All these could be fully filled.


Cryogenic Storage Tank | gas cylinder | SO2 |

instant freezer | Ethylene | liquid nitrogen container |
Shandong Yizhong Industrial Co., Ltd. stands as a leading force, providing a full spectrum of essential industrial gases, state-of-the-art equipment, and unparalleled applications expertise. Our products serve a multitude of sectors, including refining, chemical, metals, electronics, manufacturing, food preservation as well as beverage industry.With a relentless focus on research, development, and production, Yizhong Industrial epitomizes excellence in the realm of industrial gases and equipment. Our unwavering commitment to a safety-first ethos ensures that we deliver unparalleled service quality, propelled by a desire to exceed our customers' expectations.


1.Are you factory or trading company?
A: We are both factory and trading company. Welcome to visit our factory.
2.What's Your Main Sales Products?
A: We mainly supply gas products , such as argon , helium , CO2, SF6 , CF4, ect.
3.What about payment and delivery time?
A: payment term: 30% for deposit, balance against copy of BL; L/C at sight.
Delievry time is usually 10-30 days .
4.How to ensure your product quality?
Quality is the life of each company .
We have ISO9001, TUV , CE, FDA certificate.
Over 20 years gas filed operation experience and export experience.
5.How do your make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit.
2. We respect every customer as our friend and we sincerely do business and make friends with them no matter where they come from.
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