HanWool Materials Science

한울소재과학 · 091440

Information Technology Hardware & Devices · KOSDAQ

Small-cap

Market cap US$49.4M (₩68.2B)

Overview

HanWool Materials Science makes fiber-optic transmission equipment, hardware that carries large volumes of voice and data traffic over long distances through telecommunications networks.

Listed on KOSDAQ, South Korea's tech-focused small-cap exchange, it supplies this equipment primarily to South Korean telecom carriers and to public-sector customers such as railways and local governments. Alongside its core transmission-equipment business, the company is expanding into semiconductor materials, specifically the photosensitive chemicals used in chip manufacturing.

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

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$9.7M
▼ −22.5% YoY
Operating profit · FY2025
−US$17.8M
Loss widened
Net income · FY2025
−US$26.5M
Loss widened

Revenue

  • FY2023US$27.2M
  • FY2024US$12.6M
  • FY2025US$9.7M

Operating profit

  • FY2023−US$2.9M
  • FY2024−US$9.4M
  • FY2025−US$17.8M

Net income

  • FY2023−US$4.2M
  • FY2024−US$14.6M
  • FY2025−US$26.5M

Key ratios (FY2025)

ROE
-99.9%
Debt/Eq
229.2%
Op. margin
-183.1%
Net margin
-271.9%
Rev. YoY
▼ −22.5%

Why it matters

The company's semiconductor materials expansion is built on a collaboration with JK Materials, a specialist semiconductor materials firm named in its filing.

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For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-06-12 (KST). · FX: 1 USD ≈ ₩1,380 (2026-06-01).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.