NRB
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
NRB builds modular structures, prefabricated rooms and building sections made in a factory and then assembled on-site, for use as housing, schools, military facilities, and commercial buildings.
It handles the full process in-house, from design and factory production through on-site installation and ongoing maintenance, and supplies its products to customers including education authorities and schools. Listed on KOSDAQ, South Korea's tech and small-cap board, the company holds certified proprietary technology that allows entire residential buildings, including structural core sections, to be constructed entirely from factory-made precast concrete modules.
Summary is AI-generated and may contain errors · figures from DART filings
NRB holds what it describes as the first domestically certified seismic-performance technology for column-integrated precast concrete modular joints, certified by the Architectural Institute of Korea's Building Standards Center.
NRB in five facts
What does NRB do?
NRB builds modular structures, prefabricated rooms and building sections made in a factory and then assembled on-site, for use as housing, schools, military facilities, and commercial buildings.
Where is NRB listed and in which sector?
NRB (Korean name: 엔알비) trades under KRX code 475230 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is NRB?
Its market capitalisation was US$68.9M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were NRB's latest annual revenue and operating profit?
For fiscal year 2025, NRB reported revenue of US$44.9M, operating profit of US$3.4M and a net loss of US$402K, per its annual report on DART (data retrieved from DART on 2026-06-04).
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Supply contract signed
NRB disclosed a supply contract, worth US$5.96M, about 13.46% of its recent annual revenue, running through Jul 2027.
Supply contract · Oct 16 - Report on large shareholdings (5% rule) (abbreviated)Oct 12
- Investor relations (IR) meetingOct 7
- Supply contract signed
NRB disclosed a supply contract, worth US$6.33M, about 14.48% of its recent annual revenue, running through Jul 2027.
Supply contract · Sep 28 - Supply contract signed (voluntary)
NRB disclosed a supply contract with Daegu Metropolitan Office of Education (Dongbu District Office), worth US$2.22M, about 5.08% of its recent annual revenue, running through Mar 2027.
Supply contract · Sep 28 - [Amended] Supply contract signed
NRB updated a previously disclosed supply contract, now worth US$5.47M, about 13.56% of its recent annual revenue, running through Feb 2027.
Supply contract · Apr 27 · 2 versions - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
NRB reported consolidated results for FY2025: revenue of US$41M (+12.9% year on year), operating profit of US$3.18M (−25.6% year on year) and a net loss of US$413K (from a profit a year earlier).
Earnings · Feb 11