Woojin

우진 · 105840

Information Technology Hardware & Devices · KOSPI

Small-cap

Market cap US$277.2M (₩382.5B)

Overview

Woojin makes industrial measurement instruments, devices that read temperature, chemical composition, and other physical conditions in demanding environments such as steelmaking furnaces and nuclear power plants.

Its customers include steel producers, semiconductor manufacturers, and power-generation operators. Listed on KOSPI, Korea's main stock exchange, the company's core business today centres on instrumentation for nuclear power plants, with additional product lines covering temperature sensors for semiconductors and industrial use, steel-industry automation equipment, and facility-diagnostics systems.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$109M

▲ +6.9% YoY

Operating profit · FY2025

US$10.3M

▼ −12.0% YoY

Net income · FY2025

US$8M

▼ −34.1% YoY

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$93.5M(₩129.1B)	US$102M(₩140.7B)	US$109M(₩150.4B)
Operating profit	US$11.1M(₩15.4B)	US$11.7M(₩16.1B)	US$10.3M(₩14.2B)
Net income	US$10.1M(₩13.9B)	US$12.1M(₩16.8B)	US$8M(₩11.1B)

Revenue

FY2023US$93.5M
FY2024US$102M
FY2025US$109M

Operating profit

FY2023US$11.1M
FY2024US$11.7M
FY2025US$10.3M

Net income

FY2023US$10.1M
FY2024US$12.1M
FY2025US$8M

Key ratios (FY2025)

ROE

4.6%

Debt/Eq

23.2%

Op. margin

9.4%

Net margin

7.3%

Rev. YoY

▲ +6.9%

Why it matters

Woojin established what it describes as Korea's first dedicated instrumentation research institute, reflecting a long-standing focus on standardising and localising industrial measurement technology.

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