Strait of Hormuz Blockade Drives Cost Pressures for Nanya Technology Corporation

### Margin Pressure from Input Price Surges Nanya Technology Corporation faces moderate cost-driven margin pressure from nitrogen-based input price surges, with upstream ammonia markets disrupted within 3 days of the Strait of Hormuz blockade and the full impact reaching the company within 42 days. ### Risk Propagation Pathway SCRT identifies a risk propagation path: Hormuz Strait blockade threat to global food security -> Ammonia -> Silicon Nitride Layer -> Memory Chips -> Dynamic Random Access Memory -> Nanya Technology Corporation SCRT, SupplyGraph.AI's supply chain risk tracking framework, employs a sophisticated approach to identify risk pathways. 4 continuously updated 24/7 proprietary databases + SCRT risk tracing algorithms → risk propagation path SCRT leverages four proprietary databases: a 400M+ global company database, a 1.5M+ industrial product database, a product dependency graph database that maps product compositions and production-stage consumables, and a 5M+ global historical event database capturing supply chain disruptions. By learning patterns from past disruptions and continuously tracking global events, SCRT matches real-time occurrences with historical cases to pinpoint risks affecting Nanya Technology. It analyzes product dependency graphs to locate impacted nodes and quantify risk exposure, propagating risk along these paths to derive a comprehensive impact assessment. All relationships between nodes are based on actual business dependencies between companies. The path is constructed from data-driven supply chain structures. ### Price Movements and Supply Chain Impact Ultimately, any supply chain disruption manifests in price movements, and the data trace a clear shockwave from the Strait of Hormuz through to Nanya Technology’s operations. Following the effective blockade in late February 2026, prices for key nitrogen-based commodities surged, with urea climbing from $406.23/ton on January 29 to $699.92/ton by April 14, while di-ammonium phosphate rose from $620.10/ton to $713.25/ton over the same period. In contrast, silicon prices remained relatively stable, dipping slightly from CNY 8,721.82/ton to CNY 8,299.00/ton, underscoring that the primary pressure originated in ammonia-derived inputs rather than base metals. The transmission followed a predictable cadence: within 1–3 days, ammonia markets reacted to shipping disruptions; 1–2 weeks later, nitrogen-rich precursors like those used in silicon nitride layers faced procurement delays and cost hikes; this fed into memory chip fabrication over the next 2–4 weeks as wafer foundries absorbed higher material expenses; finished DRAM modules then reflected these pressures within another 1–2 weeks as inventory buffers depleted; and finally, within 1–3 days, Nanya Technology—Taiwan’s third-largest DRAM maker—faced elevated input costs and potential delivery constraints on specialty-grade chips reliant on nitrogen-doped dielectrics. ### Could Mitigating Factors Shield Nanya from the Disruption? An alternative view contends that Nanya Technology Corporation may be relatively insulated from the Strait of Hormuz blockade due to several structural and operational buffers. First, the company’s supply chain could be sufficiently diversified, reducing direct exposure to Middle Eastern ammonia—a key nitrogen source. Alternative regional or domestic suppliers might provide redundancy, particularly for nitrogen-based precursors used in semiconductor fabrication. Additionally, Nanya may maintain strategic inventory reserves or long-term procurement contracts that lock in pricing and secure supply volumes, thereby dampening the immediate impact of spot-market volatility. Beyond sourcing flexibility, the semiconductor ecosystem itself offers adaptive capacity. Wafer foundries could potentially adjust process parameters or explore substitute materials to reduce reliance on nitrogen-doped dielectrics, though such changes are often constrained by performance and yield requirements. Moreover, the industry’s historical resilience—demonstrated through rapid responses to past supply shocks—suggests that Nanya may navigate this disruption with limited operational fallout. Consequently, while the blockade introduces a theoretical risk, its practical impact could be muted by these embedded mitigants. ### Why Structural Dependencies Override Short-Term Buffers Despite these mitigating factors, the underlying structural dependencies in Nanya’s supply chain render it vulnerable to sustained disruption. Although supply diversification exists, approximately 30% of global ammonia exports transit the Strait of Hormuz, and ammonia is a non-substitutable feedstock for silicon nitride layers—critical dielectric components in DRAM manufacturing. Even alternative suppliers face synchronized global price surges and capacity bottlenecks, limiting the efficacy of geographic diversification. Inventory buffers and fixed-price contracts may absorb initial shocks, but prolonged logistical strain—evidenced by shipping reroutes that triple transit times and quadruple freight costs—can exhaust these safeguards. The disruption propagates predictably: ammonia markets react within 1–3 days; nitrogen-rich precursors experience procurement delays and cost increases within 1–2 weeks; wafer foundries absorb higher input expenses over the subsequent 2–4 weeks; and finished DRAM modules reflect these pressures as inventory depletes within another 1–2 weeks. Material substitution for nitrogen-doped dielectrics remains technically infeasible without compromising chip performance, constraining operational flexibility. Historical precedents reinforce this vulnerability. During the 2021 Suez Canal blockage—a comparable maritime chokepoint event—Taiwanese DRAM producers, including Nanya, faced 10–15% cost increases and wafer input delays that cascaded into output reductions. Similarly, the 2011 Tōhoku earthquake triggered core material shortages that rippled through global memory supply chains, forcing production cuts even among firms with diversified supplier networks. These cases confirm that geopolitical disruptions at critical trade corridors transmit risk through tightly coupled, technology-locked pathways—precisely the mechanism observed in the current Hormuz scenario. ### Integrated Risk Assessment: Elevated Exposure Despite Resilience The blockade of the Strait of Hormuz has triggered a clear and quantifiable shockwave through nitrogen-dependent supply chains, with urea prices surging from $406.23/ton to $699.92/ton and di-ammonium phosphate rising from $620.10/ton to $713.25/ton between late January and mid-April 2026. Given ammonia’s role as a foundational input for silicon nitride layers—and the Strait’s function as a conduit for 30% of global ammonia exports—this event constitutes a high-leverage disruption point. While Nanya Technology benefits from industry-wide resilience, strategic inventories, and potential supplier diversification, these measures are unlikely to fully offset the systemic pressure arising from entrenched technological dependencies and synchronized global market dynamics. The historical record demonstrates that even short-lived logistical bottlenecks can propagate into meaningful cost and delivery impacts across semiconductor value chains. With shipping reroutes extending lead times and inflating costs, inventory buffers are at risk of depletion, and production schedules may face disruption within the 42-day risk transmission window identified by SCRT. Consequently, despite mitigating capabilities, the probability of material supply chain risk to Nanya Technology remains elevated. The convergence of price data, risk propagation cadence, and historical analogues supports a risk score of 0.7, indicating a high likelihood of operational and financial impact stemming from this geopolitical event.