Hazardous Chemical Business License
Chenzhou Emergency Management Bureau
Operation with storage — 11 hazardous chemical types including N₂O, O₂, CO₂, N₂.
Fully licensed for production, filling, inspection & export
Handling compressed and liquefied gases demands strict compliance. Heyun Gas holds the full set of Chinese regulatory licenses required to produce, fill, inspect and export hazardous-classified gases.
Cylinder Filling License
Hunan Administration for Market Regulation
Filling of oxygen, liquid oxygen and nitrous oxide (seamless & welded cylinders).
Special Equipment Inspection Accreditation
Hunan Administration for Market Regulation
Class A (Grade B2) — seamless cylinder inspection for O₂, Ar, N₂, CO₂, N₂O.
Business License
Zixing Administration for Market Regulation
Registered capital CNY 8.88M · import & export rights · established 2021.
Certificate copies and up-to-date validity details are available to verified buyers on request. (Public display of certificate scans pending client confirmation.)