Handok Clean Tech

한독크린텍 · 256150

Industrials Machinery · KOSDAQ

Small-cap

Market cap US$30.2M (₩41.7B)

Overview

Handok Clean Tech makes carbon block filters, the core purification component inside water purifiers that removes contaminants from drinking water.

It supplies these filters to major South Korean home-appliance brands, with nearly all of its revenue coming from water-purifier filters. The company, listed on KOSDAQ (Korea's tech and small-cap exchange), earns the vast majority of its revenue from a single product line: carbon block and composite water-purifier filters. It has also developed automotive cabin air filters under its own brands, entering that market through online and offline channels.

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

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$50.3M

▲ +1.8% YoY

Operating profit · FY2025

US$2M

▼ −19.4% YoY

Net income · FY2025

US$2M

▼ −24.6% YoY

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$47.2M(₩65.1B)	US$49.5M(₩68.2B)	US$50.3M(₩69.4B)
Operating profit	US$3.8M(₩5.2B)	US$2.5M(₩3.5B)	US$2M(₩2.8B)
Net income	US$3.9M(₩5.3B)	US$2.6M(₩3.6B)	US$2M(₩2.7B)

Revenue

FY2023US$47.2M
FY2024US$49.5M
FY2025US$50.3M

Operating profit

FY2023US$3.8M
FY2024US$2.5M
FY2025US$2M

Net income

FY2023US$3.9M
FY2024US$2.6M
FY2025US$2M

Key ratios (FY2025)

ROE

4.7%

Debt/Eq

11.3%

Op. margin

4.1%

Net margin

3.9%

Rev. YoY

▲ +1.8%

Why it matters

Handok Clean Tech supplies filters to named Korean household brands including Coway, LG Electronics, SK Magic, Kyowon, Cuckoo Homesys, and Samsung Electronics.

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