Nitrous Oxide · Industrial Gases

Nitrous oxide, filled and shipped from our own licensed plant

Licensed Chinese filler and exporter of nitrous oxide and industrial gases. Cylinder filling, cryogenic storage and statutory cylinder inspection run in-house, under our own licences.

  • N₂O
  • Oxygen
  • CO₂
  • Argon
  • Nitrogen
  • Acetylene
  • Propane
Cryogenic storage tanks at the Heyun Gas plant in Zixing, Hunan
Established
2021
Regulatory licences
4
Staff certificates
23
Duty cover
24 h
Nitrous oxide cylinders in the Heyun Gas filling hall
Full-colour printed nitrous oxide cylinder
Full-colour printed
Custom artwork nitrous oxide cylinder
Custom artwork
Plain black nitrous oxide cylinder
Plain black
Plain white nitrous oxide cylinder
Plain white

Nitrous oxide is what we do most

Our core line. Nitrous oxide filled on electronic-weighing lines into 3.3 L and 40 L cylinders, and supplied as cryogenic liquid. Classified for sea freight under the 2024 IMDG Code by an accredited Chinese testing institute.

Purity
≥ 99.0%
CAS No.
10024-97-2
UN No.
UN1070 (compressed)
IMDG class
2.2, subsidiary hazard 5.1
Packing group
None
Filling sizes
3.3 L · 40 L cylinders

What you get by ordering direct from the plant

  • Complete range
  • Tested quality
  • Fast dispatch
  • Responsive service

Nearly the full gas range

Nitrous oxide, oxygen, carbon dioxide, argon, high-purity argon, nitrogen, acetylene and propane. Compressed and cryogenic, across the common cylinder sizes.

Tested by accredited bodies

Every gas and every pressure vessel is tested by nationally accredited institutions. Batch certificates of analysis accompany shipments.

Our own dangerous-goods fleet

Licensed hazardous-goods vehicles with certified drivers and escorts, so delivery schedules do not depend on a third party's queue.

Staffed around the clock

Duty personnel are on site 24 hours a day. Urgent loading and enquiries do not wait until the next working morning.

The Heyun Gas team at the plant entrance in Zixing

Licensed for every step we sell

Hazardous chemical business, cylinder filling, and accreditation as a special-equipment inspection body. On top of those sits a 2026 hazard classification report from a CNAS-accredited institute, covering nitrous oxide for sea freight.

Tell us the gas, the grade and the port

Send your specification and destination and we will come back with pricing, lead time and the dangerous-goods paperwork your forwarder will ask for.

Request a quote