Doosan will invest a total of KRW 970 billion by 2028 to strengthen its production capacity for high-end copper-clad laminate (CCL). CCL is a core material used in printed circuit boards (PCBs), which are employed in the manufacture of electronic products and semiconductors.

Of the KRW 970 billion, Doosan plans to invest KRW 420 billion in Korea to expand production facilities for optical module CCL. Optical modules are devices that convert electrical signals into light signals and are essential components of data communication equipment. KRW 550 billion will be used to build new production facilities in China. Doosan plans to establish CCL production facilities in China for artificial intelligence (AI) accelerators and network switches.

Regarding the decision to split the investment between Korea and China, the company stated, “For optical module CCL, product quality and technology protection are critical, so the base will be located in Korea,” adding, “China is home to a concentration of global PCB manufacturers, and the investment there is intended to flexibly adjust production volume and respond quickly to customers in line with rapidly changing demand.”

Doosan’s Electronics Business Group surpassed KRW 1 trillion in sales in 2024, and last year’s sales rose 86% year-on-year to KRW 1.9 trillion, demonstrating steady growth. The company expressed expectations that “once the expansion is completed, it will be able to respond to the rapidly increasing demand for high-end CCL, driven by the AI data center construction boom.”

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