Samsung and SK hynix Drive $38.4 Billion South Korean Semiconductor Investment Boom

Samsung Electronics and SK Hynix are accelerating investments in semiconductor manufacturing capacity in South Korea, with more than 54 trillion won (approximately US$38.4 billion) committed to expanding memory production. The spending is also generating new opportunities for South Korean semiconductor equipment and materials suppliers as manufacturers increase investment across front-end, back-end and fab infrastructure.

The expansion comes as major semiconductor producers in Taiwan and China, including TSMC, Nanya Technology and CXMT, pursue their own capacity growth plans. With demand for advanced memory continuing to rise, particularly for high-bandwidth memory (HBM), the global semiconductor industry is entering another significant investment cycle.

Samsung’s Pyeongtaek expansion drives equipment demand

Samsung Electronics’ Pyeongtaek Campus is emerging as an important source of new orders for South Korean equipment and infrastructure companies. Construction of the P5 line is progressing, while Samsung is moving towards the final selection of equipment suppliers for Phase 1 and preparing additional equipment investments for subsequent phases.

The expansion is already translating into sizeable contracts. ExaENC has secured an 89 billion won contract from Samsung C&T for waterproofing and finishing work associated with Pyeongtaek P5 Phase 1. The agreement represents the company’s largest single contract to date.

Shinsung E&G has also won a 15.588 billion won contract to supply cleanroom products for the P5 Phase 1 project, with delivery scheduled by 20 February next year.

Demand is also increasing for semiconductor inspection and testing equipment. DI Corporation has secured contracts for next-generation burn-in testers targeting DDR5 and high-speed NAND testing, while Exicon has won a 49.85 billion won contract for CLT and SSD testing equipment.

HBM4 expansion boosts advanced packaging equipment

SK Hynix’s plans to increase HBM4 production are providing another source of momentum for South Korea’s semiconductor equipment sector.

Hanmi Semiconductor has secured a 44.2 billion won contract to supply TC bonders to SK Hynix. These systems are used to stack DRAM vertically using heat and pressure and are an important part of the manufacturing process for high-bandwidth memory.

Front-end equipment suppliers are also seeing stronger demand. TES reported an order backlog of 145.5 billion won at the end of the first quarter, its highest level on record.

The increase in domestic semiconductor investment could also help South Korean equipment manufacturers expand internationally. Techwing, for example, has agreed to supply semiconductor inspection equipment worth 10.668 billion won to Micron Technology’s Malaysian subsidiary.

The contract is significant beyond its value because it gives Techwing an opportunity to establish itself within the production network of a major global memory manufacturer in Southeast Asia. Industry observers believe the equipment could be a memory test handler used during the DRAM back-end process.

The ability of South Korean equipment suppliers to demonstrate quality, delivery performance and on-site support at Samsung and SK Hynix facilities could help them secure additional orders from overseas fabs.

SK Hynix accelerates investment in new fabs

SK Hynix has approved a combined investment of 54.3 trillion won for two major manufacturing projects.

Around 35.2 trillion won will be allocated to Y2, the second fab at the Yongin Semiconductor Cluster, while another 19.1 trillion won will support the construction of the M17 fab in Cheongju, North Chungcheong Province.

The investment forms part of the company’s broader long-term manufacturing strategy. SK Hynix has outlined plans for substantial investment in both the Yongin cluster and its Cheongju production base, while the targeted completion date for the Yongin project has reportedly been brought forward from 2045 to 2033.

The company is also reviewing its manufacturing footprint in China. SK Hynix is considering the potential sale of its NAND flash packaging facility in Chongqing as it reassesses the allocation of resources amid restrictions on advanced semiconductor technology exports to China. The company has stressed that no final decision has been made.

Samsung expands manufacturing footprint in the US

Samsung is simultaneously increasing its manufacturing presence outside South Korea.

The company plans to begin construction of Taylor Fab 2 in Texas before the end of this year, with mass production targeted for 2030. Samsung is also preparing its workforce for Taylor Fab 1, which is expected to begin operations this year, through internship and graduate recruitment programmes.

The expansion reflects a broader industry trend towards geographically diversified semiconductor manufacturing as chipmakers seek to strengthen supply-chain resilience and establish production capacity closer to major customers.

TSMC, Nanya and CXMT join the capacity race

The investment cycle extends well beyond South Korea.

TSMC is reallocating some 5nm production capacity towards 3nm manufacturing in response to stronger demand from major customers including Nvidia, AMD and Broadcom. Its monthly 3nm capacity is expected to reach around 180,000 wafers by the end of the year, while 2nm capacity could approach 100,000 wafers per month before increasing further by 2028.

TSMC has also increased its capital expenditure forecast for the year to between US$60 billion and US$64 billion, compared with its previous range of US$52 billion to US$56 billion.

In Taiwan, Nanya Technology is planning to invest up to NT$346.6 billion in its new Fab 5A DRAM facility by 2029. The project is expected to introduce successive generations of advanced DRAM manufacturing processes and incorporate EUV lithography equipment.

China’s CXMT is also considering a second 12-inch DRAM fab in Beijing’s Yizhuang district. Once existing facilities and planned expansions in Shanghai and Hefei are completed, the company’s overall production capacity could more than double from around 300,000 wafers per month to more than 600,000 wafers per month.

DRAM shortages remain a key driver

The wave of investment is being supported by expectations that semiconductor supply will remain tight in the near term.

TrendForce forecasts that the DRAM supply-demand balance will remain negative this year, with the gap potentially widening next year. Industry observers expect meaningful capacity additions from the current investment cycle to become available mainly from the second half of next year onwards.

This suggests that memory manufacturers are seeking to increase capacity ahead of sustained demand growth, particularly from AI infrastructure and high-performance computing applications.

However, the simultaneous expansion programmes also create potential risks. If multiple manufacturers significantly increase commodity DRAM output at the same time, competition could intensify and place pressure on pricing and margins.

CXMT’s expansion is being watched particularly closely, as a strategy focused heavily on gaining market share rather than near-term profitability could add further competitive pressure to the global memory market.

Equipment suppliers positioned to benefit

For semiconductor equipment and materials companies, the current investment cycle presents significant opportunities.

South Korean suppliers are benefiting initially from Samsung and SK Hynix’s domestic fab expansion, while successful deployments at leading Korean manufacturers could provide a pathway into overseas facilities operated by companies such as Micron and other global chipmakers.

The key opportunity, however, extends beyond individual contracts. Sustained order backlogs, broader customer bases and increasing international sales will be important indicators of whether the current equipment boom develops into a longer-term growth cycle.

As semiconductor manufacturers across South Korea, Taiwan and China continue to expand capacity, equipment suppliers are likely to remain central beneficiaries of the industry’s next phase of investment.