131970
두산테스나
Source: dsi_quarterly · analyst_consensus (internal DB). DSI from quarterly filings; consensus as of collection.
Suppliers
Doosan Tesna
Customers
Competitors
Notes
Korea's largest wafer test house, acquired by Doosan Group in 2022. Primary revenue driver is testing Samsung's CMOS image sensors; expanding into automotive and AP/SoC test capacity to diversify beyond the image sensor cycle.
Doosan Tesna has submitted its quarterly conglomerate status disclosure as a member of the Doosan corporate group, led by controlling shareholder Park Jeong-won. The filing covers four regulatory areas: circular shareholding, financial/insurance subsidiary voting rights, intra-group transactions, and debt guarantees. All sections report no applicable items for both the current and prior periods. This is a routine compliance filing with no material changes in group structure, related-party dealings, or credit exposure. Investors seeking the full group-level disclosure are directed to the representative filing submitted by the parent, Doosan Co., Ltd.
This is the annual large business group status disclosure as a member of the Doosan Group, covering company overview, financials, and ESG governance. FY2025 standalone results show revenue of KRW 303.9 billion with an operating loss of KRW 0.9 billion but net income of KRW 1.5 billion, while debt-to-equity stood at 61.02% with borrowings of KRW 200.5 billion. Notably, Cho Hoon was newly appointed as co-CEO alongside Kim Yoon-gun effective March 31, 2026, and Choi Ji-gwang joined as a new outside director and audit committee member. The board also approved significant capex including a Pyeongtaek new plant construction plan revision and additional machinery investments for new business response.
Doosan Tesna filed its Q1 2026 quarterly report covering January 1 to March 31, 2026, for its 25th fiscal year. The company, a semiconductor testing and engineering services provider, is now co-led by CEOs Yoon-Gun Kim and Hoon Cho following the appointment of Hoon Cho as CEO and Ji-Kwang Choi as outside director at the March 31, 2026 AGM, while former CEO Do-Won Kim stepped down. The board now consists of 2 CEOs and 4 outside directors. The largest shareholder remains Doosan Portfolio Holdings with 7,476,953 common shares following prior convertible preferred stock and BW conversions. The report also reflects the February 28, 2025 absorption merger of Engion Co., Ltd.