Doosan Tesna
두산테스나 · 131970
Industrials Commercial Services · KOSDAQ
Market cap US$741.7M (₩1T)
Overview
Doosan Tesna tests system semiconductors, checking chips at two stages of production to verify they work correctly before shipment.
It serves chipmakers and fabless designers (companies that design chips but outsource manufacturing) by providing wafer-level and post-packaging test services, as well as a die-preparation service that sorts and rearranges good chips from finished wafers. Listed on KOSDAQ, Korea's tech-focused stock exchange, the company focuses almost entirely on system semiconductors across product lines including system-on-chip, image sensors, microcontrollers, and smartcard chips.
Summary is AI-generated and may contain errors · figures from DART filings
Financials
Source: DART · FY ending Dec · latest FY2025Revenue
- FY2023US$245.4M
- FY2024US$270.4M
- FY2025US$220.2M
Operating profit
- FY2023US$44M
- FY2024US$27.5M
- FY2025−US$681.8K
Net income
- FY2023US$35.6M
- FY2024US$26.7M
- FY2025US$1.1M
Key ratios (FY2025)
Why it matters
The company operates multiple test and die-preparation facilities across several Korean cities, including sites in Pyeongtaek, Anseong, and Cheongju.
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