Sejin Heavy Industries

세진중공업 · 075580

Industrials Machinery · KOSPI

Small-cap

Market cap US$582.9M (₩804.4B)

Overview

Sejin Heavy Industries makes components used in building ships, including equipment that treats sewage on board vessels, structural pipe assemblies, and upper-deck housing structures.

It supplies these marine components to the shipbuilding industry, sitting in the supply chain as a parts and sub-assembly manufacturer. Listed on KOSPI, Korea's main stock exchange, the company operates through several subsidiaries that each focus on distinct product lines within the marine components space.

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

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$291.8M
▲ +14.3% YoY
Operating profit · FY2025
US$53.2M
▲ +104.0% YoY
Net income · FY2025
US$43.4M
▲ +171.8% YoY

Revenue

  • FY2023US$278.8M
  • FY2024US$255.3M
  • FY2025US$291.8M

Operating profit

  • FY2023US$24.3M
  • FY2024US$26.1M
  • FY2025US$53.2M

Net income

  • FY2023US$16.5M
  • FY2024US$16M
  • FY2025US$43.4M

Key ratios (FY2025)

ROE
20.0%
Debt/Eq
113.0%
Op. margin
18.2%
Net margin
14.9%
Rev. YoY
▲ +14.3%

Why it matters

Key subsidiaries include Ilseung, Dongbang Seongi, and a Vietnam-based unit, Sejin Vietnam, which manufactures deck-house structures locally.

Price charts coming soon

Interactive price history isn't here yet. Would you use it?

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.