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aerodyn Engineering GmbH, based in Büdelsdorf, Germany, is a wind-turbine design house, not a mass-production OEM: it develops turbine concepts (rotor blades, drivetrain, structure, electrical systems) and licenses them to manufacturers worldwide, having designed roughly 30 turbine platforms since its founding.
No corporate parent — aerodyn engineering gmbh is privately held by its founder. GLEIF has no LEI record for this entity (searched 'aerodyn Engineering GmbH', 2026-08-30) — fell back to manual research. The company's own SCD-Technology brochure names Sönke Siegfriedsen as 'founder and owner'; Northdata's public extract of the German commercial register (Amtsgericht Kiel HRB 1770 RD) independently shows exactly one registered shareholder and lists a single Managing Director, consistent with sole ownership, though the full shareholder-register entry is paywalled so this cannot be pinned to a dated primary filing beyond the brochure. Distinct from aerodyn Energiesysteme GmbH (since renamed AEROVIDE) which Siegfriedsen co-founded with two partners in 1986 — that is a separate legal entity, not this dossier's subject.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 1 customer-side. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Windpower Engineering (25 Jul 2013): aerodyn's SCD 3 MW design 'will be manufactured by the Chinese company Ming Yang'. Windpower Monthly reports MingYang acquired the SCD IP in 2015 and now markets it as its own Hybrid Drive, so this is a historical licensee, not a current royalty customer. Source names only 'Ming Yang', not a full legal entity.
Scope. Absence of a counterparty here is not evidence that none exists — most commercial sourcing is confidential and never becomes public. Rows without a share figure mean no share was disclosed, not that the relationship is small.
Every exposure is read as a buyer dependency; the top 3 are its binding chokepoints.
Dossier discloses a dysprosium, terbium or samarium material exposure directly — A61 §1(2) names Dy/Tb-containing NdFeB and SmCo magnets by element.
A61's suspension (Announcement 70) lapses 10 Nov 2026 — on the plain text, controls revive automatically. The US DoD CN/RU/IR/KP sourcing bar follows 1 Jan 2027. See the underlying extraterritorial export-control action. We supply the provenance file; we never compute your ratio for you.
As a buyer, policy pressure across its consumed materials is rising.
Descriptive trend in official policy actions on this company’s materials — a policy-pressure trend, not a price or trading signal. No forward probability is implied. Direction is measured on actions we have discovered, and discovery lags events: where the recent window is too thin to support a calm reading, the row says coverage-limited instead of easing.
No actions in the register have named or swept this company in the last 24 months.