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H.C. Starck Tungsten GmbH (Goslar, Germany) is one of the world's leading mid-stream tungsten processors.
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 supplier. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Long-term APT and tungsten-oxide offtake agreement signed as part of MMC's acquisition of H.C. Starck Holding; no volume or share percentage disclosed.
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.
2 other tracked dossiers name this company as a counterparty in its own sourced disclosure — this platform never wrote these rows on this company's own page, they are read here inverted from the dossier that disclosed them. This is a partial view: 988 additional named-counterparty rows across the corpus could not be matched to a tracked dossier by name at all (mostly non-Latin legal names), so the true count is higher than what renders here.
On completing the sale of H.C. Starck Holding to Mitsubishi Materials (closed 2024-12-18) the company states 'MHT and HCS entered into a long-term, mutually beneficial agreement for the offtake of APT and tungsten oxide, ensuring a strong anchor for MHT's order book' (announced in the 2024-05-30 definitive-agreements release, https://www.prnewswire.com/news-releases/masan-high-tech-materials-group-and-mitsubishi-materials-corporation-group-signed-definitive-agreements-302159101.html). Seller plant = Masan Tungsten chemicals plant, Thai Nguyen, Vietnam (Nui Phao feed). HCS runs production sites in Germany (Goslar), Canada and China, and neither release says which receives the APT/oxide, so the destination is unstated. Earlier evidence, MHT Annual Report 2023 related-party table (https://masanhightechmaterials.com/wp-content/uploads/2024/04/MHT-Annual-Report-2023_EN.pdf), records MTC sale of goods in 2023 to H.C. Starck Tungsten GmbH (Goslar), then an MHT subsidiary; no amount-bearing 2024+ figure found. related_party false since the 2024-12 divestment.
Masan High-Tech Materials Annual Report 2023, related-party transactions table (Business Operation Report pp.40-41): Masan Tungsten LLC (MTC; tungsten chemicals plant, Thai Nguyen, Vietnam, which converts Nui Phao and bought-in concentrate into APT/oxide) records 'MTC's sale of goods 2023' to 'H.C. Starck Tungsten LLC (USA)'. The report does not name a US plant for this entity and hcstarck.com lists no US production site, so the destination is not pinned (may be a sales entity).
Scope. This section is inverted evidence: each linked dossier wrote the original row about itself, describing its own relationship to this company. It is never a claim this company itself disclosed. Absence here is not evidence of no relationship — most of the corpus has no named-counterparty block at all yet.
Every exposure is read as a buyer dependency; the top 3 are its binding chokepoints.
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.