Ningbo DSW International Co., Ltd.

Established in 1998. Our company possesses three production lines for production of various seamless gas cylinders. The Total five working line make 3000 PCS per day for oxygen gas cylinder, argon gas cylinder, helium gas cylinder, Nitrogen gas cylinder, CO2 gas cylinder, N2O gas cylinder...The etc.

The annual production and sale for oxygen cylinders of from 1L to 600L, accounting for 90% domestic share in small size gas cylinder market.

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.

Since 2010, we are exporting the following gas: Helium gas, laughing gas and N2O gas, the carbon monoxide and argon gas as well as Ethylene Oxide gas, EO gas, and EO+CO2 mixture gases.

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 cylinder production 100% new high quality seamless steel pipe 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.