The commitments, unveiled at a government-backed industrial development event in Asan, place Chungcheong at the centre of a broader strategy to spread high-technology manufacturing beyond the Seoul metropolitan area and existing semiconductor clusters. President Lee Jae Myung praised the companies’ “bold decision” and called for faster execution of major industrial projects, warning that global competition in semiconductors and artificial intelligence will reward countries that move with speed on permits, power, water and land.
Samsung plans to invest 140 trillion won, or about $90 billion, across the central region. The programme covers display panels, high-bandwidth memory-related capacity, semiconductor packaging substrates, batteries and other core materials. The group’s plan is expected to reinforce manufacturing links between Samsung Electronics, Samsung Display, Samsung SDI and Samsung Electro-Mechanics, whose operations span chips, OLED screens, batteries and electronic components.
SK hynix said it would invest 100 trillion won, or about $64 billion to $72 billion depending on exchange-rate calculations, in Cheongju, North Chungcheong Province. The plan includes the M17 NAND flash memory fabrication plant and P&T7, an advanced packaging and test facility. M17 is scheduled to break ground in 2026 and begin operations in the first half of 2029, while P&T7 is targeted for completion by the end of 2027.
The Cheongju expansion is intended to strengthen SK hynix’s NAND business and add back-end capacity at a time when artificial intelligence systems are raising demand for both high-performance memory and storage. While high-bandwidth memory has received the strongest investor attention because of its role in AI accelerators, large-scale data centres also require more NAND-based storage as models, user data and enterprise workloads expand.
The Chungcheong plan follows a wider national push in which Samsung Electronics and SK hynix are expected to invest hundreds of billions of dollars in new chipmaking hubs over the next decade. The government has framed the initiative as a “triple axis” strategy built around semiconductors, physical AI and data centres, with the aim of building industrial strength outside the traditional capital-area manufacturing corridor.
For Samsung, the Chungcheong investment gives the group a regional base for several linked supply chains. OLED production in Asan and surrounding areas can support premium smartphones, tablets, monitors and automotive displays. Battery investment strengthens Samsung SDI’s role in electric mobility and energy storage, while semiconductor materials and packaging substrates address one of the key bottlenecks in AI hardware production.
For SK hynix, Cheongju already has semiconductor infrastructure, making it a faster route for expansion than a greenfield project. The company has been one of the largest beneficiaries of the AI memory boom, helped by demand for high-bandwidth memory used with Nvidia graphics processors. Its latest investment signals that the company is also preparing for broader memory demand, including NAND and advanced packaging.
The scale of the commitments underlines the strategic importance of memory chips to South Korea’s economy. Samsung Electronics and SK hynix are the world’s two largest memory chipmakers, with dominant positions in DRAM and a major presence in NAND. Their investment decisions affect global supply, pricing expectations and the pace at which cloud companies can build AI infrastructure.
The programme also carries risks. Semiconductor investment cycles have often produced periods of oversupply after large capacity expansions. Investors have shown caution over whether the current AI-driven boom can absorb the output planned by the industry, especially if data-centre spending slows or if memory pricing weakens before new factories reach full capacity.
Infrastructure remains another challenge. Advanced chip plants require stable electricity, ultra-pure water, skilled engineers and rapid permitting. Lee’s comments on execution reflect concern that delays could undermine the industrial strategy. Local governments are expected to face pressure to accelerate utility connections, transport links and land-use approvals while managing environmental and community concerns.
Regional development is a central political theme of the initiative. By placing more advanced manufacturing in Chungcheong and other areas outside Seoul’s orbit, the administration is seeking to reduce economic concentration and create high-value jobs in provincial cities. That ambition will depend on whether new factories attract suppliers, research teams and service industries rather than functioning as isolated production sites.
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