From May 10 to 17, 2026, LME nickel prices rose 12%, and cobalt intermediate quotations surged 18%, mainly due to tighter export quotas in Indonesia and the implementation of new mining rights policies in the Democratic Republic of the Congo. This fluctuation directly affects the raw material supply costs of strain gauges and ceramic substrates used in high-stability pressure sensors, and has a substantial impact on niche sectors such as industrial automation, automotive electronics, high-end medical devices, and aerospace that rely on high-precision sensor modules.

Event Overview

From May 10 to 17, 2026, nickel prices on the London Metal Exchange (LME) increased 12% compared with the previous week; during the same period, market quotations for cobalt intermediates rose 18%. These changes were jointly driven by the Indonesian government's tightening of export quotas for nickel ore and nickel intermediate products, as well as the formal implementation of new mining rights management policies in the Democratic Republic of the Congo. Several leading Chinese manufacturers of high-precision pressure sensors have already notified overseas customers that, starting from the third quarter of 2026, quotations for some high-end product models will increase by 5%–7%, and standard lead times will be extended to 12–14 weeks.

Which Market Segments Will Be Affected

Direct Trading Companies

Importers and re-export traders of nickel, cobalt metals, and intermediate products are facing the dual pressure of sharply rising procurement costs and increased contract fulfillment risks. Due to the mismatch between LME quotations and spot settlement cycles, combined with uncertainty in export quota allocation, profit margins for short-term orders are being squeezed, while long-term price locking has become more difficult.

Raw Material Procurement Companies

Upstream metal material procurement departments of pressure sensor manufacturers need to respond to sharp price increases in key auxiliary materials such as nickel-cobalt alloy target materials and cobalt salt coating raw materials. Most existing long-term agreement clauses do not cover the premium portion caused by sudden policy changes, and some batch purchases have already experienced temporary price surcharges or delivery delays.

Processing and Manufacturing Companies

For manufacturers focused on producing high-stability strain gauges and thick-film/thin-film ceramic substrates, the share of unit material costs has increased significantly. Due to narrow process windows and high sensitivity to yield rates, it is difficult to reduce costs through simple process substitution, and cost pass-through is both lagging and incomplete.

Channel Distribution Companies

Distributors and authorized agents serving industrial OEM customers are receiving more inquiries from end customers seeking to stock up in advance, but their own inventories are mostly locked in at old unit prices, leaving them passively exposed to quotation adjustments, increased payment term pressure, and insufficient reserves of technical substitution solutions.

What Key Points Should Relevant Companies or Practitioners Pay Attention To, and How Should They Respond at Present

Pay Attention to Subsequent Official Statements or Policy Changes

Closely track announcements from Indonesia's Ministry of Energy and Mineral Resources regarding the second allocation of nickel export quotas for the second half of 2026, as well as written explanations from the Ministry of Mines of the Democratic Republic of the Congo on the detailed implementation rules of the new mining rights policy (such as local processing ratio requirements and the pace of export license issuance) — at present, it is only known that the policy has taken effect, but the detailed implementation rules have not yet been fully disclosed.

Pay Attention to Changes in Key Product Categories, Key Markets, or Key Business Links

Focus on the price trends and minimum order quantity (MOQ) adjustments of two categories of materials: Inconel-series alloy strain gauges with a nickel content of >40%, and cobalt-doped alumina ceramic substrates; at the same time, review whether orders from North American and EU customers have added new cobalt source traceability requirements to RoHS/REACH compliance declarations.

Differentiate Between Policy Signals and Actual Business Implementation

Although the new mining rights policy in the Democratic Republic of the Congo has been issued, there is still no public timetable for the progress of mining permit replacements and the compliance certification cycle for smelters; the actual degree of supply disruption should be assessed based on the volume of cobalt intermediates arriving at ports after June and the timeliness of quality inspection customs clearance, and the current quotation increase should not all be attributed to supply interruptions that have already occurred.

Make Advance Preparations in Procurement, Supply Chain, Communication, or Contingency Planning

For overseas orders already signed for Q3 but not yet scheduled for production, activate a cost renegotiation mechanism; review existing nickel-cobalt substitution technology pathways (such as validation progress for iron-based/manganese-based strain materials), and simultaneously send core customers a Notice on Material Cost Fluctuations together with the basis for lead time adjustments, so as to avoid commercial disputes.

Editorial Viewpoint / Industry Observation

Observably, this price surge is less a completed cost shock and more an early-stage supply chain stress test triggered by concurrent policy shifts in two critical raw material jurisdictions. Analysis shows the 18% weekly cobalt jump reflects market anticipation rather than verified physical shortage — spot inventory levels at major Asian warehouses remain within 3-month average range as of mid-May. From an industry perspective, the event functions primarily as a signal: it reveals how tightly coupled high-precision sensor manufacturing remains to opaque, geopolitically sensitive mineral governance — not just in terms of cost, but in lead time predictability and technical substitution feasibility. Continued monitoring is warranted not for immediate crisis response, but for structural vulnerability assessment.

Conclusion:
This short-term sharp fluctuation in nickel and cobalt prices is essentially a concentrated manifestation of resource governance policies at critical supply chain nodes. It does not mean that the high-precision pressure sensor industry is facing a systemic supply cut, but it clearly exposes the high sensitivity of upstream material supply to changes in geopolitical policies. At present, it is more appropriate to understand this as a supply chain resilience test under a stress scenario, rather than simply as a cost shock event. Relevant parties should prioritize the strategies of “stabilizing delivery, controlling pace, and validating substitutes”, avoiding both overreaction and the neglect of long-term structural risks.

Source Notes:
Main sources: weekly quotation data from the London Metal Exchange (LME), the May 18 briefing of the Cobalt Branch of the China Nonferrous Metals Industry Association, and official price adjustment notices issued by three leading domestic pressure sensor manufacturers to overseas customers (signed and issued on May 15–16, 2026).
Items pending continued observation: the allocation results of Indonesia's second batch of nickel export quotas for 2026, the announcement timing of the first batch of smelter compliance certification lists under the new mining rights policy in the Democratic Republic of the Congo, and changes in the average customs clearance time for cobalt intermediates at major Asian ports.