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 cylinder, carbon dioxide cylinder, argon cylinder, other industrial cylinder, medical oxygen supply 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.
Nitrous oxide (N2O)
Purpose: 1.The medicine: immune regulating blood pressure, nerve transmission, physiological regulation and physiological function such as inhibition of platelet aggregation
2.Petrochemical fields: in the field of petrochemical industry to develop new applications, used in polymerization reaction termination
3.Other areas: refrigerants, accelerant, preservatives, chemical raw materials, atomic absorption spectrometry using gas, semiconductor manufacturing with equilibrium gas injection agent, oxidation, standard gas and smoke, vacuum pressure leak detection cassette agent, etc
| The name of the gas |
specifications |
Impurity content(10-6) |
standard number |
| N2O |
99.9%/99.999% |
CO≤5 CO2≤10 Halogen≤0.2 Moisture≤100 NO,NO2≤0.5 NH3≤5 |
CP2005 & Q/H3901-1999 |
NINGBO DSW INDUSTRY CO.,LTD established in 1998. Our company possesses five production lines for production of various seamless gas.Our major products are oxygen cylinder, nitrogen gas cylinder, carbon dioxide gas cylinder, argon gas cylinder, other industrial gas cylinder, medical oxygen gas cylinder supply unit, etc., cylinders.
since 2010, we produce the following gas: 99.999% and 99.995% helium were 99.9% and 99.999%, 99.9% and 99.999% of the laughing gas, the carbon monoxide were 99.9993% and 99.999%, 99.9993% and 99.999% of argon gas, and 99.995% hydrogen, 99.995% and 99.999% nitrogen, 99.999% and 99.99% were 99.999% and 99.995% and 99.999% of carbon dioxide, methane, 99.999% and 99.998%, and 99.999% of the oxygen, or more than 99.9% of acetylene, and so on.
Our quality is strictly controlled from the very beginning, only a strict quality control in every working procedure, to ensure that each bottle of gas purity and quality.Choose in the tank production 100% new high quality material from Bao Shan Iron co., LTD (Baosteel).
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.
Audited Supplier 
){kind=link}