POSCO Air Solution Receives International Certification for Aerospace and Defense Rare Gases < Defense·Energy < 기사본문
POSCO Air Solution, POSCO Group’s industrial gas unit, said it received AS9100D aerospace and defense quality certification from LRQA on Aug. 6. The firm cited completion of a high-purity rare gas plant at POSCO’s Gwangyang Steelworks with 130,000 N㎥ annual capacity. It also reported verified xenon and krypton performance for electric propulsion.
How this was made

The 30-second read
Why it matters
The certification plus completion of a high-purity rare gas facility and successful xenon/krypton performance verification are intended to expand supply into aerospace and defense applications.
Market read
Traders may view this as incremental capability-building for rare-gas supply into aerospace and defense, but the lack of contract or financial details limits immediate trading impact.
What to watch
The article does not state pricing, customer qualification timelines, or whether the facility is already ramped to full utilization, which are key drivers for earnings relevance.
Background
POSCO Air Solution is the POSCO Group industrial gas subsidiary; AS9100D is an aerospace and defense quality management standard.
Market effects
Supports the narrative that industrial gas suppliers are qualifying for aerospace and defense rare-gas supply chains via AS9100D.
Positive for South Korea industrial gas and defense-adjacent manufacturing credibility.
May modestly affect competitive positioning for high-purity xenon and krypton supply into electric propulsion programs.
Counterpoint
AS9100D certification is a prerequisite, not proof of incremental orders; without named customers or contract volumes, the market may discount the impact.
Key entities
- companyPOSCO Air Solution
POSCO Group industrial gas subsidiary that obtained AS9100D certification and built a high-purity rare gas production facility.
- certifierLRQA
Issued the AS9100D certification to POSCO Air Solution.
- research_institutionKorea Aerospace Research Institute
Conducted propulsion technology development testing that verified domestically produced xenon and krypton performance.
- parent_companyPOSCO
POSCO Group company whose industrial gas subsidiary is the subject of the certification and facility update.




