3S Korea3S
060310 · KOSDAQ · ₩060310 · 3S
- Market cap
- ₩66B
- Enterprise value
- ₩57B
- P/E
- —
- P/B
- 1.5×
- Dividend yield
- 0.0%
- ROE
- −23.9%
- Net margin
- −42.8%
Trailing 12 months from filed financial statements, as of Q1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−37.0% from the high
₩831Today: ₩1,228 – ₩1,287₩1,978
Returns
- 1W−7.3%
- 1M+12.1%
- 3M+37.2%
- 6M−12.8%
- YTD−19.8%
- 1Y−30.3%
- Volume today
- 47,366
- 0.3× the 20-day average
- Traded today
- ₩59M
- Listed shares
- 53,059,040
- EPS (12 months)
- −₩199
- Earnings yield −16.0%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 30 of 100 (50 is a normal day for this stock).
- MomentumStrong15% over the last month; the price is above its 20-day average.
- News impactSome3 news items and filings in two weeks; 0 rated high impact, 1 medium.
Signals describe activity, not recommendations. Not financial advice.
3S Korea stock overview
3S Korea (3S, KRX: 060310) is listed on KOSDAQ, in the Medical & precision devices sector. The company develops, manufactures, and supplies environmental test equipment, including calorimeters and environmental control systems used to test air conditioning and HVAC products, and it also sells automotive and battery test equipment. Its shares closed at ₩1,247 on Oct 28, 2026, down 0.48% on the day, giving it a market value of ₩66B.
Key facts
- Market cap
- ₩66B
- Sector
- Medical & precision devices
- Latest price change
- −0.48%
- As of
- Oct 28, 2026
- Main business
- The company develops, manufactures, and supplies environmental test equipment, including calorimeters and environmental control systems used to test air conditioning and HVAC products, and it also sells automotive and battery test equipment.
Quick answers about 3S Korea
- What does 3S Korea do?
- The company develops, manufactures, and supplies environmental test equipment, including calorimeters and environmental control systems used to test air conditioning and HVAC products, and it also sells automotive and battery test equipment. Its customers include domestic and overseas home appliance makers, universities, and research institutes, and it exports to several countries. The company also produces semiconductor wafer carriers, including FOSB shipping boxes and O/C open cassettes used by silicon wafer makers, and operates through a Chinese subsidiary in its environmental test business.
- What is the market cap of 3S Korea?
- The market capitalisation of 3S Korea was ₩66B at the close on Oct 28, 2026.
- Who are the largest shareholders of 3S Korea?
- According to the latest official filings, the largest reported holders are Hanwha Wafer Holdings (13.70%, as of Jun 30, 2026); Kim Se-wan (0.41%, as of Nov 25, 2024); Jung Wan-yeong (0.28%, as of Sep 3, 2026).
- When is the next earnings report from 3S Korea?
- Korean companies rarely announce results dates in advance. Based on when 3S Korea filed the same report in past years, its next 2q results is expected between Nov 13, 2026 and Nov 14, 2026.
Company profile
The company develops, manufactures, and supplies environmental test equipment, including calorimeters and environmental control systems used to test air conditioning and HVAC products, and it also sells automotive and battery test equipment. Its customers include domestic and overseas home appliance makers, universities, and research institutes, and it exports to several countries. The company also produces semiconductor wafer carriers, including FOSB shipping boxes and O/C open cassettes used by silicon wafer makers, and operates through a Chinese subsidiary in its environmental test business.
Written by AI from the company's latest annual report.
- Korean name
- 3S
- Themes
- Medical devices
- CEO
- 정완영
- Founded
- Jan 1991
- Listed
- Apr 2002
- Listed shares
- 53,059,040
- Fiscal year ends
- Month 03
- Website
- www.3sref.com
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Recent filings
See all- Major sales or supply contractOct 29, 2026
- Reference Document for Proxy Solicitation of Voting RightsOct 19, 2026
- Notice of shareholders' meetingOct 19, 2026
- Amended: Major sales or supply contractSep 30, 2026
- Adjustment of Conversion PriceSep 17, 2026
Titles in Korean until English translations are added.
Also known as: 3S Korea / 3S / 060310 / KRX:060310
Source: KRX statistical information