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What they make, where they produce, the materials that matter — then what is coming, what it would do to the business, and the moves available. Sector: mining metals. Company profile →
Ducommun (NYSE: DCO; Delaware-incorporated, HQ Costa Mesa, California) is a US aerospace & defence supplier with two segments: Electronic Systems (high-reliability electronic/electromechanical assemblies, $462.7m 2025 net revenues) and Structural Systems (aerostructures, $362.0m).
2025 consolidated net revenues were $824.7m: 58.2 % military & space, 37.4 % commercial aerospace, 4.4 % industrial. Boeing, RTX and Northrop are named customer-concentration counterparties. Facilities are throughout the United States plus one manufacturing site in Guaymas, Mexico (FY2025 10-K, Item 2).
Verbatim from the dossier's “What they do” section — sources on the company profile.
No production footprint is recorded in its dossier yet — its HQ country is 🇺🇸 United States, a registration fact, not a production or sales claim. We say so rather than guess.
Of everything in its products, we track the critical inputs — the materials whose supply is concentrated in few countries, policy-exposed, or hard to substitute — because those are the ones a single measure can move. Each carries its role in the product, quoted from the dossier's own exposure note.
Titanium — structural component. Large contoured titanium aerostructure and engine components. Aerospace-grade titanium sponge/mill product supply is concentrated and policy-exposed.
Aluminium — bulk input / structural component. Machined, contoured and stretch-formed aerostructure parts and precision profile extrusions in Structural Systems. Buys aluminium plate from abroad, including Constellium Issoire (France) per a 2026 bill of lading recorded in the Constellium dossier, which leaves it exposed to tariffs on aluminium imports.
Scope. The non-critical remainder of the bill of materials — structural steel, polymers, glass and the like — is not tracked here because it is not supply-constrained: this section covers the constrained inputs, which is where policy risk concentrates, not a full bill of materials.
The top 5 are ranked mechanically — what the instrument does (its transmission class: an export ban is not a reporting duty), × how close to law (stage-derived likelihood band, never a probability) × how much of your tracked bill of materials it touches. Each unfolds as a chain: trigger → what it hits → the response the instrument actually calls for. A measure touching a material you produce can be an opportunity, not a threat.
GN · stage passed-vote → high likelihood · touches aluminium · flagged 10 Sept 2026, 25d pending
On 6 August 2026, at a ceremony at the Petit Palais of the Presidency chaired by Djiba Diakité (Minister Chief of Staff, chair of the Simandou 2040 Strategic Committee), Guinea's wholly state-owned Nimba Mining Company (NMC SA) signed its first mining convention, covering bauxite extraction at Tinguilinta and export via the Port of Kamsar — a 690. 20 km² concession in Boké Prefecture, 25-year term, refinery requirement, no tax exemptions. This operationalises NMC, which was created by the 5 August 2025 presidential decree revoking GAC/EGA's bauxite concession (already filed: 2025-08-05-guinea-presidential-decree-gac-nimba-mining-sa) — since start-up NMC has extracted ~5 Mt bauxite, exported ~4 Mt in 2026, and the Mines Ministry projects 8-10 Mt for 2026, 12 Mt 2027, 14 Mt 2028. Executive-signed and in force operationally, but multiple outlets state the convention text still requires National Transition Council ratification before Journal Officiel publication — parked on axis 2 rather than filed as enacted pending that primary text. Guinea = priority-tier chokepoint (bauxite, ~world's top exporter).
source ↗Aluminium — bulk input / structural component. Machined, contoured and stretch-formed aerostructure parts and precision profile extrusions in Structural Systems. Buys aluminium plate from abroad, including Constellium Issoire (France) per a 2026 bill of lading recorded in the Constellium dossier, which leaves it exposed to tariffs on aluminium imports.
The filed text doesn't state this instrument's mechanism clearly enough to classify, so we don't guess a response — the measure text above is the read.
MW · stage passed-vote → high likelihood · touches aluminium · flagged 13 Aug 2026, 53d pending
President Peter Mutharika signed an executive order (dated 23 Oct 2025, effective 21 Oct 2025, announced at Sanjika Palace during a cabinet swearing-in) prohibiting the export of raw/unprocessed minerals extracted in Malawi — uranium, rare earth elements, niobium, graphite, tantalum, bauxite, coal, limestone, gemstones, heavy mineral sands, vermiculite, phosphate, rutile, gold, diamonds, copper and others — with an exemption for minerals processed/refined/value-added domestically per Malawian mining law. Announced alongside a suspension of new mining-licence issuance and a review of mining laws (2026/27 State of the Nation Address), plus a planned sovereign wealth fund. Stated rationale: local beneficiation, targeting up to USD 500m/yr once the Kasiya rutile/graphite deposit (Lilongwe) and Kangankunde rare-earth project (Balaka, Mkango Resources — Africa's prospective first new REE mine since 2017, targeting late-2026 production) are fully developed. Violators face fines/penalties under Malawian law. MW is currently the THINNEST country in the register (1 prior action) despite this breadth of minerals covered. Export-ban/beneficiation-mandate, same instrument class as Zimbabwe's SI 213/2022 raw-mineral bans and Guinea's 2026 gold-export ban already in the register.
source ↗Aluminium — bulk input / structural component. Machined, contoured and stretch-formed aerostructure parts and precision profile extrusions in Structural Systems. Buys aluminium plate from abroad, including Constellium Issoire (France) per a 2026 bill of lading recorded in the Constellium dossier, which leaves it exposed to tariffs on aluminium imports.
The prohibition covers the raw/unprocessed form; material processed in Malawi stays exportable under the order's own exemption — so a Malawi processing route remains open alongside the alternatives below.
aluminium — Malawi holds no measurable share of world mining production in our table (2025 data), so this measure removes little measurable supply for you today; its weight is as precedent, not as a supply loss.
Supply outside 🇲🇼 MW: 🇬🇳 GN 35% · 🇦🇺 AU 23% · 🇨🇳 CN 21% · 🇧🇷 BR 7.8% — shares renormalised after removing MW.
TZ · stage awaiting-signature → high likelihood · touches titanium · flagged 26 Jun 2026, 101d pending
TZ Finance Bill establishes the Mineral Research Fund capitalised at 10% of gross mineral revenue (~TZS 141 billion/yr at 2025 collection levels); amends the Income Tax Act to formally recognise tax exemptions granted under individual mining Framework Agreements and introduces standard operating procedures — reduces discretionary government risk for large mining investors (Panda Hill niobium, graphite juniors, Buzwagi gold); parallel VAT amendments give equivalent statutory certainty for VAT exemptions; taken together, the bill moves Tanzania from discretionary tax administration toward a rule-of-law-based investor regime for all critical-mineral projects; budget targets Tanzania for top-4 niobium producer status (Panda Hill DA already signed March 24, 2026) and 50% geophysical survey coverage by 2030
source ↗Titanium — structural component. Large contoured titanium aerostructure and engine components. Aerospace-grade titanium sponge/mill product supply is concentrated and policy-exposed.
The filed text doesn't state this instrument's mechanism clearly enough to classify, so we don't guess a response — the measure text above is the read.
GN · stage in-consultation → moderate likelihood · touches aluminium · flagged 16 Jun 2026, 111d pending
Guinea = world's #2 bauxite producer (183 Mt exported in 2025, ~45% of China's bauxite imports); Mines Minister Bouna Sylla confirmed in March 2026 that export volume curbs will be applied by early April 2026 to halt a ~50% price collapse from 2025 overproduction; target cap ~150 Mt/yr (≈18% reduction from 2025 actual); enforced via licence compliance — operators exceeding feasibility-study production ceilings face volume restrictions, not an outright export ban; formal policy instrument expected June 2026 per Bloomberg/Mining. com; mechanism: production-cap enforcement rather than new legislation, but a ministerial arrêté is the likely vehicle
source ↗Aluminium — bulk input / structural component. Machined, contoured and stretch-formed aerostructure parts and precision profile extrusions in Structural Systems. Buys aluminium plate from abroad, including Constellium Issoire (France) per a 2026 bill of lading recorded in the Constellium dossier, which leaves it exposed to tariffs on aluminium imports.
GN supplies 34% of world aluminium mining — that share of your supply base is what this measure cuts off.
Supply outside 🇬🇳 GN: 🇦🇺 AU 35% · 🇨🇳 CN 32% · 🇧🇷 BR 12% · 🇮🇳 IN 9.1% — shares renormalised after removing GN.
EU · stage passed-committee → elevated likelihood · touches aluminium · flagged 26 Jun 2026, 101d pending
Council's general approach expands the Commission's proposed downstream scope further (more products than Commission proposed); mandates annual Commission review for future scope additions; adds anti-circumvention provisions targeting operators who split shipments or route via third countries; Council position now feeds into EP committee and trilogues; entry into force still targeted at 2028 under the proposal
source ↗Aluminium — bulk input / structural component. Machined, contoured and stretch-formed aerostructure parts and precision profile extrusions in Structural Systems. Buys aluminium plate from abroad, including Constellium Issoire (France) per a 2026 bill of lading recorded in the Constellium dossier, which leaves it exposed to tariffs on aluminium imports.
The filed text doesn't state this instrument's mechanism clearly enough to classify, so we don't guess a response — the measure text above is the read.
Cabinet-cleared bill to replace the 2006 Minerals and Mining Act, Act 703: raises mining royalties from current 3–5% range to 9–12% (price-linked sliding scale), introduces a new medium-scale mining…
Replaces 2016 Code Minier; embeds 'sovereignty doctrine' with stronger state participation, local-transformation mandate, and WAEMU-conformity requirements; President Faye targeted adoption before en…
Madagascar's Council of Ministers approved resumption of mining-permit issuance on ~28-29 Jan 2026, ending a moratorium in place since 2010 (imposed during a political transition amid mining-title sp…
Establishes the first legally binding "safe level" benchmark for EU strategic stocks of each of the 17 strategic raw materials listed in the CRMA Annex I; benchmarks used as reference by Member State…
Minister of Mines, Petroleum and Energy Mamadou Sangafowa-Coulibaly formally launched the revision of Côte d'Ivoire's 2014 Mining Code on 13 June 2026, standing up an expert team drawn from his minis…
Gold mining royalties rise from 3-5% to 9-12% sliding-scale (price-indexed); mining lease maximum cut 30→15 years with renewals limited to 2×10-year additional terms; Development Agreements and Inves…
~25% reduction in Guinea's annual bauxite shipments to China (150 Mt target vs.
Extends the Carbon Border Adjustment Mechanism from the existing Regulation (EU) 2023/956 sectors (steel, aluminium, cement, fertilisers, hydrogen, electricity) to approximately 180 downstream produc…
On 18 March 2026 Guinea's Minister of Mines Bouna Sylla told Reuters that Guinea — the world's top bauxite exporter (~40% of global seaborne supply, 2025 exports ~183 Mt, +25% y/y) — would reduce exp…
Guinea — the world's largest bauxite exporter (~single-largest feed to China's alumina/aluminium chain) — is preparing a sector-wide measure to CAP/reduce bauxite exports to stabilise falling prices…
VP declared no new large-scale mining agreement will be concluded without a binding value-addition commitment; Mines Minister referenced Zimbabwe, Tanzania, Ghana, and Malawi precedents for raw-miner…
Tanzania's Ministry of Minerals (Minister Anthony Mavunde) has FINALISED a Critical and Strategic Minerals Strategy that takes legal effect only once the Government formally approves and gazettes the…
On 7 September 2026 Guinea's state-owned Nimba Mining Company and Glencore signed a five-year pre-financing agreement, announced by the government and Glencore on 10 September 2026, worth over USD 30…
On 10 July 2026 the African Development Bank Group, with the African Union Commission, the AfCFTA Secretariat and UNECA, convened African ministers of mining/energy/industry in Abidjan for the "Minis…
Supersedes 2022 bauxite reference price arrêté; establishes real-time FOB benchmark for all Guinea bauxite exports (~182 Mt/yr, world's largest supplier); estimated >$1bn/yr additional government rev…
Guinea's CNRD junta gives Societe Minière de Boke (SMB, China-linked, ~50% of Guinea's bauxite output) and Compagnie des Bauxites de Guinée (CBG, joint venture: Halco Mining/Alcoa/Rio Tinto/Dadco) 10…
GN ≈ 60% global seaborne bauxite; a ~150 Mt/yr cap (vs 183 Mt 2025) tightens the alumina→aluminium chain — direct hit to EU aluminium-vertical names
On 16 November 2025 Brazil's national development bank BNDES signed a BRL 221 million (~USD 41.
Ministry of Mines issued operational guidelines for the Mining Sector Reforms component under Scheme for Special Assistance to States for Capital Investment (SASCI) FY2026-27, with total ₹5,000 crore…
3 of 34 filed an explicit in-force stage; the rest (flagged below) default from an absent stage: field, not a filed assertion. Each links to the register entry with its primary source.
For a material it buys, a restriction tightens supply and raises input cost — a headwind. Scores are footprint-adjusted and buyer-relative (0–100, higher = more exposed).
Its customers sit in ev batteries, permanent magnets, ev motors, wind turbines, defence… — read via the graph's critical minerals node, the nearest equivalent of its sector. A measure supporting those sectors supports demand for this company's products; one restricting them puts that demand at risk. The sign shown is the mechanical read — click through to judge whether a measure protects or constrains the customer.
For each bought material: the ex-controller producers a procurement team can actually reach, from the alternatives map (derived 2026-10-05), viability-gated — each name carries its deployment status (with the verbatim dossier phrase it rests on), a capture check against the measure being escaped, and any contracted-capacity evidence. Deployable-now names sort first; a developer with zero tonnes is shown demoted, never dressed up as a switch you can make today. Tradability is inherited from the listing layer, never guessed.
+5 more tradable names, ranked below these by the same gate.
+9 more tradable names, ranked below these by the same gate.
lib/policy-transmission.ts): an export prohibition in the measure's name/text → supply restriction; a raw/unprocessed-export limit or local-processing mandate → beneficiation (form change, not unavailability); reporting/disclosure/due-diligence language → compliance obligation; tariff/trade-remedy language → import cost; subsidy/fast-track/relaxation language → support; investment-screening/M&A language → investment control. When the text carries no signal we fall back to the action-type default and label the chip inferred; when neither exists the card says so and derives no response — we never assert a class the evidence doesn't support.lib/iptm-material-country-production.ts; mining stage preferred, refining as fallback — the stage and source year are in each figure's hover text). Ex-issuer supply removes the ISSUING country and renormalises the remaining listed shares (so they sum to 100% of what's left) — alternatives to the country making the rule, never a default ex-China list. Where the issuer holds no measurable share, the card says so plainly instead of implying supply loss.lib/alternative-viability.ts): each named alternative carries a deployment status — operating / ramping / restarting / development / unknown — derived from word-boundary signal phrases in its own dossier (“operating since 1896”, “restarting the … mine”, “FID taken”), and the verbatim matched phrase is shown as the basis so the claim is auditable; a dossier with no signal stays unknown, never guessed. Any evidenced production date is quoted verbatim (“first production targeted H2 2029” → “no tonnes before 2029”) — we never synthesize one. A measure whose own text claims extraterritorial / re-export / de-minimis / foreign-direct-product / percentage-of-value scope triggers the origin-switching warning above the list: such a rule follows the material, not the seller, so a foreign-made alternative can still be captured. Same-issuer register actions targeting an alternative's country and material mark it may be captured, with the entries linked. “Capacity partly committed” lines quote the dossier verbatim — we hold no structured free-capacity numbers and never imply a utilisation figure.How MacroLens tracks this for you. The policy register files new measures daily and this page recomputes from it — the same chokepoints are monitored live on the watchlist and in the full register.