NINGBO DSW INDUSTRY CO.,LTD
Established in 1998. Our company possesses three production lines for production of various seamless gas cylinders. The annual production and sale for gas cylinders of below 20L for 600 thousand pieces, accounting for 90% domestic share in small size gas cylinder market. The recently set up new production line for 0.4L-80L emergency respirator, colliery escape capsule and refuge chamber has the annual production of 700 thousand pieces of cylinders. By the year 2013, the total specifications we do ascent to 109 types to meet different customers' requirement.
Our major products are oxygen cylinder, nitrogen gas cylinder, carbon dioxide gas cylinder, argon gas cylinder, other industrial gas cylinder, medical oxygen gas cylindersupply unit, etc., with wide application for fields of medical apparatus and instruments, engineering machinery, colliery rescue, gas industry, welding-cutting machinery, and chemical industry. Our cryogenic vessels production line mainly produce cryogenic liquid storage tanks, welding insulation cylinders, cryogenic reaction device, cryogenic tanks, cryogenic ISO tank container and air temperature vaporizer.
So far our products are enjoying good markets at home and exporting to European and American countries, the Middle East countries, West Asia, as well as South and East Asia countries.
Main Features
We also have 1.4 Liter to 20 Liter gas cylinders for you choose, please send us your enquiries if you have.
Hot sell model 40 Liter Oxgen cylinder:
Cylinder diameter：φ219mm
Material：37Mn
Volume：40L
Cylinder Height：1450mm
weight：48.5 ±0.5kg with valve and cap
Temperature：-20～60℃
Working pressure：150bar
hydraulic pressure：250bar
Life time ：30years
Thickness：5.7 mm
Standard：GB5099
Inlet thread：PZ27.8
40L oxygen cylinder with valve installed and with cap : QF-2C :USD40.5
FOB CHINA
MOQ is one 20ft container
Intelligence
My company has ISO9809 certificates, GB5099 certificates and OMIC inspection experience, goods factory has the certificate of approval and product inspection report, according to the requirements of the guests to do related testing and certification
Equipment
Name: Gas Cylinder
Brand: DSW
Original: China
Factory area of 100000 square meters, have 3 production lines, machinery and equipment is complete
Process
Name: Gas Cylinder
Brand: DSW
Original: China
Grinding, heat treatment, testing, pouring water, cast, etc., within every step strictly control the quality of the cylinder
Valve
Name: Gas Cylinder
Brand: DSW
Original: China
My company more than several brand valves, according to the requirements of the guests with the corresponding valve, brand
Laboratory
Have well-equipped laboratories, except in the process of production of cylinder detection, one by one for each batch of the bottle to sampling inspection, blasting pressure testing and inspection, and each bottle of tested sample, so that next time comparison testing.