TFE
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
TFE supplies the custom-made components that chip makers use to test finished semiconductors before those chips ship inside phones, computers, and other devices.
Specifically, it provides all three elements of what the industry calls 'test resources', test boards, test sockets, and change-over kits, across every major stage of the semiconductor testing process. Listed on KOSDAQ, Korea's tech-focused stock exchange, TFE describes itself as the only domestic company that covers all four sub-processes of chip testing with this complete set of test-resource components. Its customers span chip designers, volume chip manufacturers, and assembly-and-test contractors in both the memory and logic semiconductor markets.
Summary is AI-generated and may contain errors · figures from DART filings
TFE holds multiple international management-system certifications covering quality, environmental safety, occupational health, and information security, reflecting the compliance standards its semiconductor-industry customers require.
TFE in five facts
What does TFE do?
TFE supplies the custom-made components that chip makers use to test finished semiconductors before those chips ship inside phones, computers, and other devices.
Where is TFE listed and in which sector?
TFE (Korean name: 티에프이) trades under KRX code 425420 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Components.
How large is TFE?
Its market capitalisation was US$595.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were TFE's latest annual revenue and operating profit?
For fiscal year 2025, TFE reported revenue of US$84.3M, operating profit of US$14.4M and net income of US$13.7M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 51.8% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Investor relations (IR) meetingSep 7
- Material event report (decision to sell own convertible bonds)Capital raise · Apr 2
- Treasury share disposal: results reportTreasury Shares · Feb 12
- Material event report (treasury share disposal)
TFE disclosed a plan to sell treasury shares worth US$1.42M, about 0.3% of its market value.
Treasury Shares · Feb 10 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
TFE reported consolidated results for FY2025: revenue of US$76.4M (+51.8% year on year), operating profit of US$13M (+334% year on year) and net income of US$12.4M (+1146.7% year on year).
Earnings · Feb 9 - Treasury share disposal: results reportTreasury Shares · Jan 21
- [Amended] Material event report (treasury share disposal)Treasury Shares · Jan 19
- [Amended] Material event report (exchangeable bonds)Capital raise · Jan 19
- [Attachment amended] Material event report (treasury share disposal)Treasury Shares · Jan 14
- [Amended] Material event report (exchangeable bonds)Capital raise · Jan 14
- Material event report (treasury share disposal)Treasury Shares · Jan 13
- Material event report (exchangeable bonds)Capital raise · Jan 13
