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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: tooling. Company profile →
Hartmetall-Werkzeugfabrik Paul Horn GmbH (Tübingen, Germany) is a leading manufacturer of precision cutting tools, founded in 1969 and now operating in over 70 countries with roughly 1,500 employees. The company offers more than 25,000 standard tools and 150,000 customised solutions covering grooving, parting, turning, milling, threading, and reaming. A defining competitive advantage is full vertical integration: subsidiary Horn Hartstoffe GmbH (est.
1991) handles in-house cemented-carbide production, and a dedicated in-house coating centre applies PVD/CVD surface treatments — both raw-material stages that sit directly on the company's mineral supply chain.
Verbatim from the dossier's “What they do” section — sources on the company profile.
This is where Paul Horn GmbH produces — approximate output shares from its dossier — not where it sells. Sales geography is not yet in our corpus for any company, so we cannot compute exposure to measures that bite on where products ship: an extraterritorial re-export rule follows the shipment and its material content, not the factory. Where such a measure touches its materials, the policy sections below flag it — but its sales-side incidence is not computable yet, and we say so rather than substitute the production map for it.
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.
Tungsten — the hard phase in all cemented carbide (WC-Co) inserts that Horn manufactures in-house. Tungsten is one of the most supply-concentrated critical minerals: China accounts for ~80 % of global mine production and >85 % of refined tungsten products.
Cobalt — metallic binder (typically 6–12 wt %) in WC-Co cemented carbide. The Democratic Republic of Congo supplies ~70 % of global cobalt mine output; refining is concentrated in China.
Vanadium — VC (vanadium carbide) is used alongside NbC as a grain inhibitor in submicron-grain carbide grades. Primary supply is concentrated in China, Russia, and South Africa.
Niobium — NbC (niobium carbide) is a standard grain-growth inhibitor in fine-grain cemented carbide grades, controlling insert toughness and edge retention. Brazil dominates global niobium supply (~90 % via CBMM).
Tantalum — added as TaC (tantalum carbide) to premium carbide grades to improve hot hardness and crater-wear resistance, particularly in turning inserts for steel and cast iron. DRC and Rwanda together supply ~60 % of global tantalum; it is on both the EU CRM and CRMA lists.
Chromium — Horn's in-house PVD coating centre applies CrN, TiAlCrN, and related coatings as standard wear layers across its precision-tool range. PVD coating is a value-add step Horn performs internally, making chromium a direct input.
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.
BR · stage passed-vote → high likelihood · touches cobaltniobium · flagged 19 Jun 2026, 108d pending
First federal statutory framework for critical and strategic minerals; establishes CMCE oversight committee, R$2B Mineral Activity Guarantee Fund (0. 2% gross revenue levy on critical-mineral companies), mandatory 0. 3% gross revenue R&D investment, 20% tax credits for domestic mineral transformation projects; limits raw-mineral exports where domestic processing capacity exists; covers niobium explicitly (CBMM/CMOC supply ~85% of global niobium — Brazil is a structural chokepoint); Chamber passed 343-97 on 7 May 2026, Senate review pending
source ↗Cobalt — metallic binder (typically 6–12 wt %) in WC-Co cemented carbide. The Democratic Republic of Congo supplies ~70 % of global cobalt mine output; refining is concentrated in China.
Niobium — NbC (niobium carbide) is a standard grain-growth inhibitor in fine-grain cemented carbide grades, controlling insert toughness and edge retention. Brazil dominates global niobium supply (~90 % via CBMM).
This changes the form of what Brazil exports, not whether you can buy: raw/unprocessed exports are restricted while domestically processed material stays available — that is the measure's own mechanism. Your Brazil-origin raw feed becomes processed-only; the route is a value-added purchase or a Brazil processing partner, not a supplier switch.
Brazil supplies 93% of world niobium mining — that is the stake if its terms tighten.
Secondary — only if you need to avoid Brazil entirely: niobium supply outside BR is 🇨🇦 CA 80%, 🇨🇩 CD 13%, 🇷🇺 RU 4.0% (shares renormalised after removing BR); cobalt supply outside BR is 🇨🇩 CD 78%, 🇮🇩 ID 15%, 🇷🇺 RU 2.6% (shares renormalised after removing BR).
CD · stage passed-vote → high likelihood · touches cobalt · flagged 11 Aug 2026, 55d pending
On 29 June 2026 DRC's Vice-Prime Minister for the National Economy (Daniel Mukoko Samba), Minister of Mines (Louis Watum Kabamba) and Minister of Foreign Trade (Julien Paluku Kahongya) jointly signed an arrêté interministériel regulating the commercialisation, export and nomenclature of marketable mining products, which for the first time BANS the export of unprocessed copper and cobalt concentrates outright — replacing the entire framework adopted 4 August 2023. Mining-rights holders, processing entities and buying counters (comptoirs) may seek a ministerial derogation to export less-elaborated products for up to one year, assessed against national mining policy and the technical/economic constraints of each mineral. A new tax regime for economically significant mining byproducts is introduced with a 3-month transition period. This is broader and more foundational than the existing filed/queued DRC cobalt-specific instruments — it is a national concentrate EXPORT BAN (not a quota or hydroxide-specific measure) covering BOTH copper and cobalt, issued under joint Economy/Mines/Trade authority rather than ARECOMS sectoral rulemaking. DRC = priority-tier chokepoint (cobalt, copper, tantalum). Severity 4 expected (national ban, dual-metal, replaces a 3-year-old framework).
source ↗Cobalt — metallic binder (typically 6–12 wt %) in WC-Co cemented carbide. The Democratic Republic of Congo supplies ~70 % of global cobalt mine output; refining is concentrated in China.
The prohibition covers the raw/unprocessed form; material processed in DR Congo stays exportable under the order's own exemption — so a DR Congo processing route remains open alongside the alternatives below.
DR Congo supplies 74% of world cobalt mining — that share of your supply base is what this measure cuts off.
Supply outside 🇨🇩 CD: 🇮🇩 ID 66% · 🇷🇺 RU 12% · 🇲🇬 MG 6.1% · 🇵🇭 PH 5.6% — shares renormalised after removing CD.
CD · stage passed-vote → high likelihood · touches cobalt · flagged 20 Jul 2026, 77d pending
On ~29 June 2026 the Autorité de Régulation et de Contrôle des Marchés des Substances Minérales Stratégiques (ARECOMS) ordered that all first-half-2026 cobalt export quotas left unused by 30 June 2026 be forfeited and recovered, with a 5 July 2026 cutoff, and reallocated into ARECOMS's discretionary "strategic quota" pool (already ~10% of the 96,600 t/yr authorised volume) earmarked for national-interest local-processing projects. This is an escalation/operationalisation of the filed 2025-02-22 ARECOMS cobalt quota system: it concentrates additional volume under state discretionary control, tightens the effective free-market allocation for producers (Glencore/KCC, CMOC, ERG) on the world's dominant cobalt chokepoint (~76% of mine supply), and — via the linked customs-notification malfunction that blocked quota-linked export declarations after 1 July 2026 — created a real short-run supply interruption. IPTM action would be an AMENDMENT to 2025-02-22-drc-arecoms-cobalt-export-ban-quota-system.
source ↗Cobalt — metallic binder (typically 6–12 wt %) in WC-Co cemented carbide. The Democratic Republic of Congo supplies ~70 % of global cobalt mine output; refining is concentrated in China.
DR Congo supplies 74% of world cobalt mining — that share of your supply base is what this measure cuts off.
Supply outside 🇨🇩 CD: 🇮🇩 ID 66% · 🇷🇺 RU 12% · 🇲🇬 MG 6.1% · 🇵🇭 PH 5.6% — shares renormalised after removing CD.
CD · stage passed-vote → high likelihood · touches tungstenniobiumtantalum · flagged 14 Jun 2026, 113d pending
Royalty near-triples on Manono lithium project (Zijin Mining/La Cominière, DRC's first industrial lithium mine commissioning June 2026) and all DRC tantalum, niobium, tungsten, uranium, REE operators; reprices extraction economics across the entire DRC critical-mineral portfolio
source ↗Tungsten — the hard phase in all cemented carbide (WC-Co) inserts that Horn manufactures in-house. Tungsten is one of the most supply-concentrated critical minerals: China accounts for ~80 % of global mine production and >85 % of refined tungsten products.
Niobium — NbC (niobium carbide) is a standard grain-growth inhibitor in fine-grain cemented carbide grades, controlling insert toughness and edge retention. Brazil dominates global niobium supply (~90 % via CBMM).
Tantalum — added as TaC (tantalum carbide) to premium carbide grades to improve hot hardness and crater-wear resistance, particularly in turning inserts for steel and cast iron. DRC and Rwanda together supply ~60 % of global tantalum; it is on both the EU CRM and CRMA lists.
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.
Further materials are covered in section 6 below.
MW · stage passed-vote → high likelihood · touches niobiumtantalum · 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 ↗Niobium — NbC (niobium carbide) is a standard grain-growth inhibitor in fine-grain cemented carbide grades, controlling insert toughness and edge retention. Brazil dominates global niobium supply (~90 % via CBMM).
Tantalum — added as TaC (tantalum carbide) to premium carbide grades to improve hot hardness and crater-wear resistance, particularly in turning inserts for steel and cast iron. DRC and Rwanda together supply ~60 % of global tantalum; it is on both the EU CRM and CRMA lists.
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.
niobium — 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: 🇧🇷 BR 93% · 🇨🇦 CA 5.4% · 🇨🇩 CD 0.9% · 🇷🇺 RU 0.3% — shares renormalised after removing MW.
tantalum — 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: 🇨🇩 CD 52% · 🇷🇼 RW 16% · 🇳🇬 NG 16% · 🇧🇷 BR 7.6% — shares renormalised after removing MW.
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…
If enacted, chrome ore export tax and/or quota would disrupt South Africa's ~2.
Senate-approved package of amendments to Kazakhstan's Code on Subsoil and Subsoil Use (No.
Japan's METI + MOF made an affirmative PRELIMINARY determination in an anti-dumping investigation (initiated 22 Jul 2025 on an application from Nippon Steel, Nippon Yakin Kogyo, NAS Stainless Steel S…
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 Finance, acting under s.
Revises 30 CFR Part 580 to streamline 10 provisions governing prospecting, leasing, and operations for hard minerals (manganese nodules, cobalt-rich crusts, seafloor massive sulfides) on the US Outer…
Mongolia's cabinet approved and submitted to the State Great Khural a draft amending ~40% of the 2006 Minerals Law: (i) cuts the maximum exploration-licence duration from 12 to 6 years while raising…
RESourceEU (COM(2025) 945, 3 Dec 2025) commits the Commission to establish a **European Critical Raw Materials Centre** in early 2026 with four functions: (a) generate **systemic market intelligence…
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…
Mandates 15% free-carried interest for Uganda National Mining Company (UNMC) in all new mining licences; introduces mandatory mineral buying centres; tightens local-content and value-addition obligat…
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…
VP Constantino Chiwenga announced at the Zimbabwe-China Business Forum (Hangzhou) that Zimbabwe will no longer issue new mining licences for operations that extract only one mineral from a deposit —…
Zimbabwean officials have signalled intent ("raw chrome exports obsolete") to expand the 25-Feb-2026 raw-mineral/lithium-concentrate export ban (filed) to cover chrome CONCENTRATE specifically — conc…
If adopted, creates a unified mining regulatory framework across Cameroon, CAR, Congo-Brazzaville, Gabon, Equatorial Guinea, and Chad — harmonising licensing regimes, fiscal terms, transparency oblig…
Binding plurilateral trade agreement among like-minded partners (US, EU, Japan and FORGE coalition members) establishing coordinated trade measures for critical mineral supply chains — including bord…
Second wave of CRMA Art.
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…
All DRC mining operators (Glencore, CMOC, Ivanhoe Mines, Eurasian Resources Group, and 50+ others) must transfer 5% of share capital to Congolese employees by July 31, 2026 or face permit suspension;…
Saudi sovereign mining vehicle Manara Minerals (PIF + Ma'aden JV) is in advanced negotiations to acquire a 15-20% equity stake (deal value ~USD 1.
Full replacement of the Mining Act 1992 with sweeping new statute: state acquires up to 30% equity in any new mining project (Kumul Minerals free-carry); special mining leases (SML) issued for initia…
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…
2 of 52 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.
⚠ Extraterritorial measure — switching supplier origin may not exit its scope.
China MOFCOM Announcement No. 1 [2026] — country-specific dual-use export controls on Japan claims reach over foreign-made goods (“extraterritorial”) — the rule follows the material, not the seller, so an alternative outside the issuer can still be captured if its products contain or are made with in-scope inputs. Verify each alternative's feedstock origin before treating it as an exit.
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 sector (tooling) has no downstream edges in our supply-chain adjacency graph — no downstream signal in the register.
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.
⚠ Extraterritorial measure — switching supplier origin may not exit its scope.
China MOFCOM Announcement No. 1 [2026] — country-specific dual-use export controls on Japan claims reach over foreign-made goods (“extraterritorial”) — the rule follows the material, not the seller, so an alternative outside the issuer can still be captured if its products contain or are made with in-scope inputs. Verify each alternative's feedstock origin before treating it as an exit.
+1 more tradable names, ranked below these by the same gate.
+26 more tradable names, ranked below these by the same gate.
No deployment evidence in our corpus for the names below. Treat them as a research bench, not a switch you can make today.
+2 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.