Dawonsys
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Dawonsys makes specialised power-conversion systems, equipment that takes standard electrical supply and transforms it into the precise voltage, current, and waveform that demanding industrial processes require.
Its customers include nuclear-fusion research programs, plasma-process facilities, steel and chemical plants, and railway operators who need purpose-built electric railcars. Listed on KOSDAQ, Korea's tech and small-cap exchange, the company draws the largest share of its revenue from its railway-vehicle segment, with additional lines covering nuclear-fusion power supplies, plasma power systems, and rectifiers.
Summary is AI-generated and may contain errors · figures from DART filings
Dawonsys supplies power systems to the KSTAR (Korea Superconducting Tokamak Advanced Research) fusion device and the international ITER fusion project, both named in its filing.
Dawonsys in five facts
What does Dawonsys do?
Dawonsys makes specialised power-conversion systems, equipment that takes standard electrical supply and transforms it into the precise voltage, current, and waveform that demanding industrial processes require.
Where is Dawonsys listed and in which sector?
Dawonsys (Korean name: 다원시스) trades under KRX code 068240 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Electrical Equipment.
How large is Dawonsys?
Its market capitalisation was US$72.9M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Dawonsys's latest annual revenue and operating profit?
For fiscal year 2025, Dawonsys reported revenue of US$84.6M, an operating loss of US$91.1M and a net loss of US$148.6M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 62.8% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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] DisclosureSep 30
- Other market noticeSep 16
- Trading suspensionSep 16
- Other management matter (voluntary)Sep 16
- Trading suspension liftedSep 15
- Other market noticeSep 15
- Supply contract terminated
Dawonsys Co., Ltd. reports that the Korea Institute of Fusion Energy terminated a contract to develop and manufacture high-voltage power supplies for the ITER electron cyclotron, worth US$63.1M (29.57% of recent revenue); the company disputes the termination and is reviewing legal action.
Supply contract · Aug 11 - [Amended] Supply contract signed
Dawonsys updated a previously disclosed supply contract with Korea Institute of Fusion Energy, now worth US$45M, about 224.95% of its recent annual revenue, running through Dec 2028.
Supply contract · Jul 7 - [Amended] Supply contract signed
Dawonsys updated a previously disclosed supply contract with Korea Institute of Fusion Energy, now worth US$44.2M, about 224.95% of its recent annual revenue.
Supply contract · Jun 30 - [Amended] Supply contract signed
Dawonsys updated a previously disclosed supply contract with Seoul Metro, now worth US$144M, about 122.88% of its recent annual revenue, running through May 2026.
Supply contract · May 29 - Supply contract terminatedSupply contract · May 7
- Supply contract terminatedSupply contract · Apr 13
- [Amended] Supply contract terminatedSupply contract · Apr 9
- Supply contract terminatedSupply contract · Apr 6
- Supply contract terminatedSupply contract · Apr 6
- Supply contract terminatedSupply contract · Apr 2
- Supply contract terminatedSupply contract · Mar 31
- Supply contract terminatedSupply contract · Mar 31
- [Amended] Material event report (rights offering)Capital raise · Mar 30 · 3 versions
- Share-pledge agreement tied to the largest shareholder terminated/cancelled
A previously disclosed share pledge on Dawonsys's largest shareholder (an individual) was released or cancelled, freeing collateral of US$2.08M.
Ownership change · Feb 25 - [Amended] Share-pledge agreement that may change the largest shareholder
Dawonsys's largest shareholder (an individual) pledged shares as loan collateral, securing up to US$105M.
Ownership change · Feb 3 · 2 versions - Supply contract terminatedSupply contract · Jan 8