SMIC Chengdu Faces Moderate Cost-Relief Risk from Quartz Supply Easing

### Moderate Cost-Relief Risk for SMIC Chengdu A moderate cost-relief risk has emerged for SMIC Chengdu, with upstream quartz supply easing within 14 days of the October 30, 2023 event and propagating to the company within 56 days. ### Risk Propagation Pathway SCRT identifies a risk propagation path: FERROGLOBE’s acquisition of a U.S. high-purity quartz mine and 50% capacity expansion → quartz → silicon dioxide → insulation layer → integrated circuits → Semiconductor Manufacturing International Corporation (Chengdu) Co., Ltd. SCRT, SupplyGraph.AI’s supply chain risk tracing framework, leverages real-world industrial linkages to map disruption pathways. 4 continuously updated 24/7 proprietary databases + SCRT risk tracing algorithms → risk propagation path SCRT draws on a 400M+ global company database, a 1.5M+ industrial product database, a product dependency graph database encoding product composition, production-stage consumables, and associated manufacturers, and a 5M+ historical event database of supply chain disruptions. By learning patterns from past disruptions, SCRT continuously monitors global events tied to critical industrial inputs. When FERROGLOBE’s quartz mine acquisition emerged, SCRT matched it against historical cases involving raw material supply shifts in semiconductor-grade materials. It then traversed the product dependency graph to locate quartz as a precursor to silicon dioxide, a key dielectric in insulation layers for integrated circuits, and traced the exposure to end manufacturers. This propagation quantifies direct and indirect risk exposure along verified supply relationships. Every node in the path reflects actual business dependencies documented in SupplyGraph.AI’s supply chain knowledge graph. The pathway is constructed solely from data-driven representations of material flows and production relationships, not speculative linkages. ### Mechanism of Impact Through Supply Chain Ultimately, any supply chain disruption manifests in price movements, and tracking key input costs along the identified path reveals a clear deflationary signal. Following Ferroglobe’s October 2023 acquisition and subsequent 50% capacity expansion in high-purity quartz, industrial silicon prices in China have trended downward over early 2026, reflecting increased upstream availability. The data below captures this shift across major domestic grades: |Category| Product | Date | Price | |--------|----------|------|-------| |Metals| Silicon | 2026-01-31 | 8748.00 CNY/T | |Metals| Silicon | 2026-02-15 | 8493.50 CNY/T | |Metals| Silicon | 2026-03-02 | 8298.00 CNY/T | |Metals| Silicon | 2026-03-17 | 8545.45 CNY/T | |Metals| Silicon | 2026-04-01 | 8457.73 CNY/T | |Metals| Silicon | 2026-04-16 | 8327.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-01-31 | 10050.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-02-15 | 9950.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-03-02 | 9800.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-03-17 | 9750.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-04-01 | 9750.00 CNY/T | |Industrial Silicon| Yunnan 421# | 2026-04-16 | 9650.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-01-31 | 9500.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-02-15 | 9450.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-03-02 | 9350.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-03-17 | 9300.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-04-01 | 9300.00 CNY/T | |Industrial Silicon| Sichuan 441# | 2026-04-16 | 9300.00 CNY/T | This price softening propagates along the chain: quartz supply eases within 1–2 weeks post-acquisition, translating into lower silica costs after 2–4 weeks of processing lead time; reduced silica input prices then feed into insulation layer production within another 1–2 weeks, ultimately affecting integrated circuit manufacturing within 2–3 weeks due to wafer fab cycle constraints. By the time these cost dynamics reach SMIC Chengdu—within an additional 1–2 weeks tied to its inventory and order structure—the cumulative lag totals approximately 8 weeks. The resulting cost-driven pressure is set to moderately ease input expenses for SMIC Chengdu within 8 weeks, offering temporary margin relief amid otherwise tight semiconductor supply conditions. ### **Will Mitigation Strategies Fully Neutralize the Cost-Relief Risk?** Common counterarguments emphasize established supply chain resilience measures, such as diversified sourcing, inventory buffers, and long-term contracts, as sufficient to insulate SMIC Chengdu from upstream cost dynamics. These strategies—multisourcing from multiple geographic locations, maintaining safety stock for critical materials, and securing fixed-price agreements—can indeed provide short-term protection against price volatility. For instance, nearshoring and supplier diversification reduce dependency on single points of failure, while adequate inventory levels absorb transient supply fluctuations. Proponents argue that such practices, aligned with best-in-class supply chain risk management frameworks, render the identified propagation pathway inconsequential, as SMIC Chengdu's operational buffers would prevent any meaningful transmission of quartz supply easing to its fabrication costs. ### **Why Transmission Persists Despite Mitigations: Evidence from History and Propagation Mechanics** While mitigation strategies offer partial insulation, they do not fully eliminate the risk transmission from Ferroglobe's acquisition. Structural dependencies on high-purity quartz for semiconductor-grade silica remain concentrated among a limited number of specialized producers, where a 50% capacity expansion can still induce market-wide price deflation or allocation shifts that overwhelm diversification efforts. Inventory buffers and long-term contracts provide only temporary shielding; sustained silicon price declines—from 10,050 CNY/T for Yunnan 421# in January 2026 to 9,650 CNY/T by April—erode protections through contract renegotiations, production replanning to capture cheaper inputs, or cost pass-throughs in extended delivery cycles. Upstream easing propagates downstream regardless, compelling adaptation even among insulated firms. Historical precedents confirm this vulnerability. During the 2020-2022 global chip shortage, raw material constraints analogous to quartz shifts caused cascading disruptions in wafer fabrication for SMIC and TSMC, despite diversification, as input scarcity rippled from silica precursors to integrated circuits via identical transmission mechanisms. Similarly, U.S. export controls on semiconductor equipment in 2022-2023 strained upstream material flows for Chinese foundries, imposing cost pressures that SMIC Chengdu could not evade. In the precise pathway—Ferroglobe’s 50% U.S. high-purity quartz capacity expansion → quartz → silicon dioxide → insulation layer → integrated circuits → SMIC Chengdu—the risk materializes sequentially: enhanced quartz output depresses silica costs within 2-4 weeks of processing lags, compresses insulation layer pricing amid fixed conversion overheads, and reaches IC fabrication within 8 weeks total, challenging yield optimizations and forcing margin recalibrations. SMIC Chengdu, at the chain's terminus with rigid fab cycles and limited backward integration into quartz mining, cannot fully decouple, making the moderate cost-relief risk highly probable. ### **Final Assessment: Moderate Cost-Relief Risk with Limited Long-Term Impact** Ferroglobe PLC's strategic acquisition of a high-purity quartz mine in South Carolina, coupled with a 50% production capacity increase, introduces a **moderate cost-relief risk** for SMIC Chengdu (risk score: 0.5). This stems from enhanced upstream control, easing quartz supply within 14 days and propagating cost reductions through silicon dioxide, insulation layers, and integrated circuits within approximately 8 weeks, as mapped by SCRT. The pathway highlights high-purity quartz's pivotal role, where supply shifts yield downstream cost implications. Historical cases—like the 2020-2022 chip shortage and 2022-2023 U.S. export controls—demonstrate semiconductor chains' sensitivity to upstream changes, even with mitigations such as diversified sourcing and buffers. Sustained industrial silicon price declines (e.g., Yunnan 421# from 10,050 CNY/T in January 2026 to 9,650 CNY/T in April) signal market-wide volatility bypassing traditional defenses. Positioned downstream with limited integration and inflexible cycles, SMIC Chengdu faces probable moderate relief. However, the risk's temporary nature and existing strategies limit long-term effects.