South Korea’s imports of semiconductor equipment surged by 57%, reflecting robust momentum in memory chip production expansion.
AI summary card
South Korea’s imports of semiconductor equipment surged by 57%, reflecting robust momentum in memory chip production expansion.
In April, South Korea’s imports of semiconductor equipment surged 57% year over year, hitting a record high, signaling an acceleration in DRAM capacity expansion and benefiting equipment suppliers such as ASML and Advantest, as well as memory giants like Samsung and SK Hynix.
- In April, South Korea’s total semiconductor equipment imports increased by 57% year on year but declined slightly by 9% month on month, remaining at historically high levels.
- Imports of lithography equipment from the Netherlands reached €723 million, up roughly 180% year on year, underpinning estimates that ASML’s Q2 sales in South Korea will double.
- Import data for testing equipment indicate that Advantest’s Q2 revenue in South Korea is expected to increase by 70% quarter-on-quarter, significantly exceeding the market’s forecast of 5%.
- Although Samsung and SK Hynix have experienced seasonal short-term fluctuations in capital expenditures, they have significantly raised their full-year guidance, suggesting that future spending will likely exceed import data.
Report interpretation
Overview
Bernstein’s latest data‑tracking report indicates that South Korea’s semiconductor‑equipment imports in April 2026 posted exceptionally strong growth, with overall import value up 57% year on year, hitting a new all‑time high. This trend not only underscores the aggressive capacity expansion underway at South Korean memory chip manufacturers—such as Samsung Electronics and SK Hynix—but also suggests that upstream equipment suppliers will enjoy sustained revenue momentum. The report provides a detailed analysis of imports for lithography tools, test equipment, and front‑end process equipment, and accordingly upgrades or reaffirms its bullish outlook on ASML, Advantest, Tokyo Electron, as well as South Korea’s leading domestic memory players.
Core views
Demand Side: Strong Expansion Plans Among Korean Memory Manufacturers In April, South Korea’s total semiconductor equipment imports rose 57% year over year. Although down slightly by 9% month over month, the absolute value remained at an all-time high. Notably, imports of front-end process equipment (SPE) from Japan increased 29% year over year. This robust import momentum is largely driven by the capacity expansion plans of South Korean memory chipmakers—Samsung and SK Hynix—particularly their large-scale DRAM production expansions and rapid transition to the 1c-node technology. While both companies’ first-quarter capital expenditures declined quarter over quarter due to seasonal factors and front-loaded infrastructure investments, they have signaled substantial increases in capital spending through 2026, suggesting that actual outlays going forward will likely exceed current import‑based estimates. Segment‑Level Dynamics: Divergent Performance in Lithography and Test Equipment On the lithography front, South Korea’s April imports of fab equipment (WFE) from the Netherlands totaled €723 million, marking the second-highest monthly figure on record and up roughly 180% year over year. Based on regression modeling, ASML’s second-quarter system sales in South Korea are projected to reach €2.1 billion—down 26% quarter over quarter but nearly doubling year over year—accounting for approximately 33% of its global system sales. This underscores the continued sustainability of revenue momentum in the memory segment. In the test equipment space, South Korea’s April imports from Japan and Malaysia fell 21% month over month but surged 49% year over year. Given the strong correlation between Advantest’s memory‑test‑equipment revenues and South Korea’s test‑equipment import data, our model forecasts a 70% quarter-over-quarter increase in Advantest’s second-quarter revenue in the region—far exceeding the market consensus estimate of a 5% QoQ gain, highlighting significant upside potential. Front-End Process Equipment: Tokyo Electron Faces Short-Term Volatility For Tokyo Electron (TEL), South Korea’s April imports across categories such as CVD, dry etch, and cleaning grew 62% year over year but declined 19% month over month. Regression analysis suggests TEL’s second-quarter sales in South Korea may slip 6% quarter over quarter, broadly in line with the market consensus forecast of a 5% decline. This indicates that the segment could face some short-term seasonal or cyclical adjustments, though the longer-term trend remains anchored by memory‑chip capacity expansions.
Analysis framework
Institutional analysts have adopted an analytical framework that uses high-frequency import data to project corporate revenue. Specifically, Bernstein leverages monthly semiconductor equipment import data released by Korean customs as a leading indicator. By constructing a regression model, it correlates import values from specific source countries—such as the Netherlands for ASML and Japan for Advantest and TEL—with the corresponding companies’ quarterly sales revenues in Korea. For instance, when forecasting ASML’s performance, analysts employ the current month’s import data along with a one‑month lag as independent variables. The resulting model achieves an R² of 75%, underscoring its strong explanatory power. This approach enables analysts to anticipate regional sales trends for equipment suppliers ahead of earnings releases, thereby identifying expectation gaps. For Advantest, analysts directly use month‑over‑month changes in test‑equipment import volumes to estimate quarter‑over‑quarter revenue growth, comparing these estimates against market consensus to uncover potential outperformance opportunities.
Methodology notes
High-Frequency Data Regression Forecasting
By leveraging monthly customs import data as a high-frequency leading indicator, we employ a linear regression model to forecast listed companies’ quarterly revenues. This approach capitalizes on the forward‑looking predictive power of macroeconomic and sector‑level high‑frequency data for firm‑level performance, enabling investors to track earnings trends during periods when financial reports are unavailable.
Equipment imports are closely linked to capital expenditures.
The semiconductor industry’s cyclical upturn typically propagates through the following chain: “equipment imports → wafer fab capital expenditures → capacity ramp-up.” As the global hub for memory chip manufacturing, South Korea’s equipment import data directly reflects the expansion pace of major downstream memory producers—namely Samsung and SK Hynix—thereby signaling order activity to upstream equipment suppliers such as ASML and TEL.
Asset mapping & comparison
Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).
- ASML Holding NV (ASML.US / ASML.NA)Benefits: A surge in South Korea’s imports of lithography equipment has directly boosted ASML’s sales in the country, with Q2 year-on-year revenue expected to double.
- Strengths
- It holds a monopolistic position in the high-end lithography equipment market, benefiting from memory manufacturers’ migration to advanced process nodes (1C).
- Risks
- The commercialization costs of EUV have exceeded expectations; export controls on Chinese customers have been further tightened; and the global WFE market has performed more weakly than anticipated.
- Advantest Corp (6857.JP)Key takeaway: Imports of testing equipment suggest that its Q2 revenue in South Korea surged 70% quarter-on-quarter, significantly exceeding market expectations.
- Strengths
- The memory test machine enjoys a high market share and exhibits a strong correlation with South Korean import data.
- Risks
- Fluctuations in end-market demand for AI-related products (GPUs/HBM); changes in the competitive landscape; and exchange-rate volatility.
- Tokyo Electron Ltd (8035.JP)Neutral-to-bullish: Import data suggest that South Korea’s Q2 GDP will decline slightly by 6% quarter-on-quarter, in line with expectations, while the country continues to benefit from capacity expansion over the longer term.
- Strengths
- The product portfolio spans multiple critical process steps, including CVD, etching, and cleaning.
- Weaknesses
- In the short term, it faces seasonal fluctuations.
- Risks
- U.S. trade restrictions on China are weighing on global semiconductor capital expenditures, while global semiconductor demand is moderating.
- Samsung Electronics (005930.KS)Benefit: As a major importer, the upward revision of its capital expenditure guidance underscores its commitment to capacity expansion, which bodes well for its long-term competitiveness.
- Strengths
- A leading storage chip manufacturer with a full-industry-chain footprint.
- Risks
- An early end to the favorable pricing environment (due to weakening demand or increased supply); China’s progress in the NAND sector.
- SK hynix (000660.KS)Benefit: As above, increased capital expenditures are supporting the expansion of HBM and DRAM production capacity.
- Strengths
- It holds a leading position in the HBM market.
- Risks
- Like Samsung Electronics, it faces a shifting pricing environment and competitive pressures from China.
Key data
- Year-on-year growth rate of South Korea’s total semiconductor equipment imports+57%April 2026 data hit a record high.
- South Korea’s imports of lithography equipment from the Netherlands amounted to…EUR 723 millionIn April alone, the year-on-year growth was approximately 180%.
- ASML Q2 Korean System Sales ForecastEUR 2.1 billionMonth-on-month: -26%; Year-on-year: +97%
- Advantest’s Q2 revenue growth forecast for South Korea+70% QoQA +5% QoQ, significantly above the market consensus forecast
- Tokyo Electron’s Q2 revenue growth forecast for South Korea-6% QoQThis is broadly in line with the market consensus expectation of -5% QoQ.
Impact & implications
The research report argues that robust import data confirms the storage‑chip industry is in an active capacity‑expansion cycle, particularly in the DRAM segment. This bodes well for upstream equipment suppliers: 1. ASML: Despite quarterly volatility, strong demand from the Korean market for its EUV and DUV systems continues to underpin long‑term revenue growth. 2. Advantest: An explosive surge in test‑equipment demand (projected to rise 70% quarter over quarter) suggests its results could significantly exceed the market’s cautious expectations, leaving room for valuation reversion. 3. Samsung and SK Hynix: Although near‑term capex is subject to seasonal factors, their guidance for a substantial full‑year increase underscores their confidence in the outlook, helping to solidify their leading position in the memory market. Overall, the data points to sustained prosperity and investment appeal in the semiconductor equipment sector, especially in segments closely tied to memory‑fab expansion.
Risks
- Global semiconductor demand—both for logic and memory—has slowed, prompting a reduction in capital expenditures.
- Adverse changes in U.S. trade restrictions on China are impacting global supply chains.
- The favorable pricing environment for memory chips has come to an early end, driven by weak demand or oversupply.
- Competitive pressures stemming from China’s technological advancements in the storage chip sector, particularly in NAND flash memory.
- The impact of exchange rate fluctuations on the revenues and profits of multinational corporations.
What to watch
- The actual capital expenditure execution for Samsung Electronics and SK Hynix in the subsequent quarters.
- Trends in DRAM prices and inventory levels.
- Confirmation of sales to the Korean market in the upcoming quarterly earnings reports of companies such as ASML and Advantest.
- The latest developments in global semiconductor trade policies and export controls.