Duoback
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Duoback makes ergonomic chairs designed to support the back and spine for home and office use, and supplies them to consumers through retail chains, large-format discount stores, home-shopping channels, and online platforms across South Korea.
The company is listed on KOSDAQ, South Korea's tech and small-cap exchange. Its entire business is built around a single product line, ergonomic chairs, with no separate business segments reported.
Summary is AI-generated and may contain errors · figures from DART filings
Duoback holds an exclusive domestic licence for the DUOBACK ergonomic-chair patent, originally developed by a German physicist and held globally by a German firm called Gral, and has adapted the design independently for Korean body types.
Duoback in five facts
What does Duoback do?
Duoback makes ergonomic chairs designed to support the back and spine for home and office use, and supplies them to consumers through retail chains, large-format discount stores, home-shopping channels, and online platforms across South Korea.
Where is Duoback listed and in which sector?
Duoback (Korean name: 듀오백) trades under KRX code 073190 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Consumer Discretionary sector, Consumer Durables.
How large is Duoback?
Its market capitalisation was US$14.7M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Duoback's latest annual revenue and operating profit?
For fiscal year 2025, Duoback reported revenue of US$15.2M, an operating loss of US$2.3M and a net loss of US$3.5M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 13.0% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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] Change of CEOOct 20
- Results of extraordinary shareholders' meetingOct 20
- Other market noticeOct 7
- Trading suspension period changedOct 2
- Other market noticeOct 2
- Notice of general shareholders' meetingOct 2
- Resolution to convene a general shareholders' meetingOct 1
- Report on securities held by executives/major shareholdersSep 28
- Report on large shareholdings (5% rule) (standard)Sep 28
- Report on securities held by executives/major shareholdersSep 28
- Report on large shareholdings (5% rule) (standard)Sep 28
- [Amended] Change of largest shareholder
This is a correction filing regarding the change of largest shareholder of Duoback. The largest shareholder changed from Jung Kwan-young (4,351,102 shares, 36.36%) to Jung Young-ah (4,351,102 shares, 36.36%) due to inheritance following the death of Jung Kwan-young on 2026-08-17, with the name transfer completed on 2026-09-18. The total ownership ratio of the largest shareholder group remains unchanged at 44.10%.
Ownership change · Sep 18 - Other market noticeSep 9
- Shareholder register closure / record date setSep 7
- Change of largest shareholder
Duoback's largest shareholder, Chung Kwan-young and 5 others (44.10%, 5,278,486 shares), is undergoing a change following the commencement of inheritance proceedings after the largest shareholder's death; an amended disclosure will follow once the inheritance is finalized.
Ownership change · Aug 19