Hansun Engineering

한선엔지니어링 · 452280

Industrials Machinery · KOSDAQ

Small-cap

Market cap US$288M (₩397.5B)

Overview

Hansun Engineering makes precision fittings, valves, and plumbing components, the small connectors and flow-control parts that keep fluids, gases, and chemicals moving safely through industrial pipelines.

Its products, sold under the S-LOK brand, are used across petrochemicals, shipbuilding, offshore platforms, defense, semiconductors, displays, hydrogen fuel cells, and energy storage systems. Listed on KOSDAQ, Korea's tech and small-cap board, the company supplies both domestic shipyards and international oil and energy projects, with customers including major Korean shipbuilders and state-owned energy firms in the Middle East and Asia.

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

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$45.8M

▲ +30.2% YoY

Operating profit · FY2025

US$7.1M

▲ +98.1% YoY

Net income · FY2025

US$6.5M

▲ +114.9% YoY

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$34.6M(₩47.8B)	US$35.2M(₩48.5B)	US$45.8M(₩63.2B)
Operating profit	US$4.5M(₩6.2B)	US$3.6M(₩4.9B)	US$7.1M(₩9.7B)
Net income	US$3.3M(₩4.5B)	US$3M(₩4.2B)	US$6.5M(₩8.9B)

Revenue

FY2023US$34.6M
FY2024US$35.2M
FY2025US$45.8M

Operating profit

FY2023US$4.5M
FY2024US$3.6M
FY2025US$7.1M

Net income

FY2023US$3.3M
FY2024US$3M
FY2025US$6.5M

Key ratios (FY2025)

ROE

13.1%

Debt/Eq

105.7%

Op. margin

15.4%

Net margin

14.1%

Rev. YoY

▲ +30.2%

Why it matters

The company holds type-approval certifications from eight international inspection bodies, a prerequisite for supplying components to global shipbuilding and offshore projects.

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