Wooriro
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Wooriro makes core components for fiber-optic communication, devices that split or route light signals traveling through fiber cables, and photodiodes that convert those light signals back into electrical signals for use in data centers and high-speed mobile networks.
Its customers include network equipment makers and others in the fiber-optic supply chain. Listed on KOSDAQ, Korea's tech-focused small-cap board, the company also operates two additional business lines: distributing IT storage devices domestically, and importing and distributing audio equipment brands through a wholly owned subsidiary.
Summary is AI-generated and may contain errors · figures from DART filings
Wooriro's wholly owned subsidiary, CJS Co., Ltd., handles the IT storage and audio distribution businesses, making the group a multi-segment operation rather than a pure fiber-optics play.
Wooriro in five facts
What does Wooriro do?
Wooriro makes core components for fiber-optic communication, devices that split or route light signals traveling through fiber cables, and photodiodes that convert those light signals back into electrical signals for use in data centers and high-speed mobile networks.
Where is Wooriro listed and in which sector?
Wooriro (Korean name: 우리로) trades under KRX code 046970 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Trading & Distribution.
How large is Wooriro?
Its market capitalisation was US$285.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Wooriro's latest annual revenue and operating profit?
For fiscal year 2025, Wooriro reported revenue of US$32.1M, an operating loss of US$510.7K and a net loss of US$595.3K, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 10.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Supply contract signed
Wooriro disclosed a supply contract with Wuhan ETERN Optoelectronics Group Limited, worth US$17.1M, about 53.6% of its recent annual revenue, running through Feb 2029.
Supply contract · Oct 15 - Supply contract signed
Wooriro disclosed a supply contract with Vsunlight Photonic Technology Inc., worth US$10.1M, about 32% of its recent annual revenue, running through Aug 2028.
Supply contract · Sep 14 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Wooriro reported consolidated results for FY2025: revenue of US$29.1M (−10.3% year on year), an operating loss of US$460K and a net loss of US$562K.
Earnings · Mar 5
