Woniltni
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Woniltni makes industrial equipment that converts liquefied natural gas (LNG), natural gas chilled to an extremely cold liquid state for transport, back into usable gas for power plants and city-gas networks, and also develops hydrogen-related technologies including hydrogen storage alloys and hydrogen reformers that extract hydrogen fuel from fossil fuels.
Its customers include energy infrastructure operators and, notably, South Korean naval defence programmes, where it supplies components related to air-independent propulsion systems for submarines. The company is listed on KOSDAQ, South Korea's tech and small-cap exchange, and its business spans both the LNG energy infrastructure and defence supply chains.
Summary is AI-generated and may contain errors · figures from DART filings
The company supplies equipment tied to South Korea's Jangbogo submarine programme, a long-running domestic naval vessel construction initiative.
Woniltni in five facts
What does Woniltni do?
Woniltni makes industrial equipment that converts liquefied natural gas (LNG), natural gas chilled to an extremely cold liquid state for transport, back into usable gas for power plants and city-gas networks, and also develops hydrogen-related technologies including hydrogen storage alloys and hydrogen reformers that extract hydrogen fuel from fossil fuels.
Where is Woniltni listed and in which sector?
Woniltni (Korean name: 원일티엔아이) trades under KRX code 136150 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is Woniltni?
Its market capitalisation was US$55.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Woniltni's latest annual revenue and operating profit?
For fiscal year 2025, Woniltni reported revenue of US$22.4M, an operating loss of US$1.3M and a net loss of US$1.6M, per its annual report on DART (data retrieved from DART on 2026-10-02).
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-10-02
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- [Amended] Supply contract signed
Woniltni updated a previously disclosed supply contract with SK Eco Engineering Co., Ltd., now worth US$3.22M, about 10.53% of its recent annual revenue, running through Jan 2027.
Supply contract · Aug 28 - Supply contract signed
Woniltni disclosed a supply contract with POSCO E&C Co., Ltd., worth US$5.21M, about 24.31% of its recent annual revenue, running through Oct 2028.
Supply contract · Aug 24 - [Amended] Supply contract signed
Woniltni updated a previously disclosed supply contract with SK Eco Engineering Co., Ltd., now worth US$3.26M, about 10.73% of its recent annual revenue, running through Jan 2027.
Supply contract · Aug 19 - Supply contract signed
Woniltni disclosed a supply contract with Yeosu Eco Energy Co., Ltd., worth US$4.8M, about 22.93% of its recent annual revenue, running through Apr 2029.
Supply contract · Aug 18 - Supply contract signed
Woniltni disclosed a supply contract with Korea Gas Technology Corporation, worth US$7.34M, about 38.15% of its recent annual revenue, running through Jun 2027.
Supply contract · Jun 22 - [Amended] Supply contract signed
Woniltni updated a previously disclosed supply contract with SK Eco Engineering Co., Ltd., now worth US$5.87M, about 21.12% of its recent annual revenue, running through Jan 2027.
Supply contract · Jun 11 - Supply contract signed
Woniltni disclosed a supply contract with Korea Gas Technology Corporation, worth US$4.79M, about 24.65% of its recent annual revenue, running through Jun 2027.
Supply contract · Jun 10 - Supply contract signed
Woniltni disclosed a supply contract with SK Eco Engineering Co., Ltd., worth US$3.05M, about 10.55% of its recent annual revenue, running through Jan 2027.
Supply contract · Feb 10 - Supply contract signed
Woniltni disclosed a supply contract with SK Eco Engineering Co., Ltd., worth US$5.91M, about 20.43% of its recent annual revenue, running through Jan 2027.
Supply contract · Feb 10 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Woniltni reported separate results for FY2025: revenue of US$20.3M (−29.8% year on year), an operating loss of US$1.03M (from a profit a year earlier) and a net loss of US$1.29M (from a profit a year earlier).
Earnings · Feb 10