Korea Refractories
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Korea Refractories makes heat-resistant ceramic materials, called refractories, that line the furnaces and industrial equipment used in steelmaking and other high-temperature industries.
Its products are supplied to steel mills and heavy-industry operators, and it also runs a general construction subsidiary that handles residential, civil, and industrial plant projects. Listed on KOSPI, Korea's main stock exchange, the company operates two distinct business divisions: refractories and construction.
Summary is AI-generated and may contain errors · figures from DART filings
The refractory market in Korea has characteristics of an oligopoly, with high barriers to entry due to the technical know-how and capital required, and customers typically sourcing from a single supplier on long-term arrangements.
Korea Refractories in five facts
What does Korea Refractories do?
Korea Refractories makes heat-resistant ceramic materials, called refractories, that line the furnaces and industrial equipment used in steelmaking and other high-temperature industries.
Where is Korea Refractories listed and in which sector?
Korea Refractories (Korean name: 한국내화) trades under KRX code 010040 on KOSPI, the main board of the Korea Exchange. It is classified in the Materials sector, Construction Materials.
How large is Korea Refractories?
Its market capitalisation was US$50.2M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Korea Refractories's latest annual revenue and operating profit?
For fiscal year 2025, Korea Refractories reported revenue of US$306.7M, operating profit of US$2.1M and a net loss of US$16.4M, per its annual report on DART (data retrieved from DART on 2026-09-08). Revenue was down 2.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-08
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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
Korea Refractories updated a previously disclosed supply contract with Hyundai Steel, now worth US$14.9M, about 5.34% of its recent annual revenue, running through Nov 2026.
Supply contract · Apr 30 - [Amended] Supply contract signed
Korea Refractories updated a previously disclosed supply contract with Hyundai Steel, now worth US$14.6M, about 5.34% of its recent annual revenue, running through Dec 2026.
Supply contract · Mar 31 - [Amended] Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Korea Refractories updated its previously filed consolidated results for FY2025: revenue of US$275M (−2.3% year on year), operating profit of US$1.88M (−67.7% year on year) and a net loss of US$14.8M (from a profit a year earlier).
Earnings · Mar 12 · 2 versions