JNB
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
JNB makes support equipment and precision-machined parts for the vacuum pumps used in semiconductor manufacturing.
Its stacker systems connect vacuum pumps to facility utilities and help manage piping, noise, and vibration so that pumps run efficiently inside chip-production lines; it also supplies on-tool setting kits fitted directly to process chambers. The company operates two distinct divisions, one focused on the support equipment and one on precision-machined pump components, and is listed on KOSDAQ, South Korea's tech and small-cap exchange.
Summary is AI-generated and may contain errors · figures from DART filings
JNB in five facts
What does JNB do?
JNB makes support equipment and precision-machined parts for the vacuum pumps used in semiconductor manufacturing.
Where is JNB listed and in which sector?
JNB (Korean name: 제이엔비) trades under KRX code 452160 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is JNB?
Its market capitalisation was US$22.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were JNB's latest annual revenue and operating profit?
For fiscal year 2025, JNB reported revenue of US$11.2M, operating profit of US$132.2K and a net loss of US$337.9K, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was down 7.1% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Cash/in-kind dividend decision
JNB declared a cash dividend of US$0.07 per share, equal to about 1.8% of the recent share price.
Dividend · Mar 9 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
JNB reported consolidated results for FY2025: revenue of US$10.2M (−7.1% year on year), operating profit of US$52.6K (−97.7% year on year) and a net loss of US$266K (from a profit a year earlier).
Earnings · Feb 9