S Korea’s industrial output growth hits 15-year high, driven by semiconductor production - Qazinform

South Korea's 15-year industrial output peak is not a cyclical bounce—it is a stress test of the AI compute supply chain. The production surge at Samsung and SK Hynix is driven not by consumer electronics but by HBM3E stacking demand pulling DRAM wafer starts forward. The bottleneck has migrated from logic node scaling to advanced packaging and memory bandwidth, cascading upstream into ASML's EUV delivery schedules and downstream into NVIDIA's B200/GB300 platform throughput. On compliance, US export controls on advanced equipment are restructuring Korean capex. Seoul benefits short-term as a non-sensitive production hub absorbing shifted orders, but equipment traceability and audit overhead are quietly eroding 3 to 5 percentage points of gross margin. If HBM enters the export control list, Korean memory makers face a structural alignment dilemma. Competitively, TSMC is hedging geographic risk with Arizona and Japan fabs. The more immediate threat sits in the memory lane: CXMT's 17nm DRAM ramp and YMTC's 232-layer NAND iteration are compressing Korean pricing power in commodity products. Over the next 12 to 24 months, the HBM4 transition is the inflection point. Without a generational lead in TSV density and hybrid bonding, this production windfall will be clawed back by a capex scissors effect by H2 2026. A 15-year peak is more likely a cycle-top signal than a launchpad.