Nitrous Oxide · Industrial Gases
Integrated Nitrous Oxide & Industrial Gas Manufacturer
Hunan Heyun Gas Co., Ltd. is a fully licensed Chinese producer of nitrous oxide (N₂O) and industrial gases, integrating in-house production, cylinder filling, and statutory inspection. We supply oxygen, carbon dioxide, argon, nitrogen and more to industrial, food-grade and export buyers worldwide.
A licensed, integrated gas partner built for export
From production and cryogenic storage to certified filling and export documentation — one accountable source.
Integrated Production
In-house manufacturing, cylinder filling and inspection under one roof — full control over quality and supply.
Fully Licensed
Hazardous Chemical Business License, Cylinder Filling License and Special Equipment Inspection accreditation — verified compliance.
Export Ready
Import & export rights with UN-classified hazardous-goods documentation for smooth international shipping.
Broad Gas Range
Nitrous oxide, oxygen, carbon dioxide, argon, nitrogen and more — compressed and cryogenic liquid forms.
Nitrous oxide and a full industrial gas range
All products →Nitrous Oxide N₂O
Our flagship product. High-purity nitrous oxide filled in seamless steel cylinders, small cylinders and supplied as cryogenic liquid for industrial and food-grade applications.
- Purity
- ≥ 99.0% (TBD: higher grades)
- CAS No.
- 10024-97-2
- UN No.
- 1070
- Hazard Class
- 2.2 (+5.1 oxidizer)
Need a reliable N₂O & industrial gas supplier?
Tell us your gas, grade, packaging and volume — we'll send a quotation and export documentation.
Request a Quote