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Company-mineral profile

H.C. Starck Tungsten

Tungsten · Processor

Method 0.4 · Release 11 · deployed September 13, 2026, 00:07 UTC (September 12, 8:07 p.m. ET)
Dataset last updated: September 12, 2026

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Mineral
Tungsten
Role
Processor
Product niche
Tungsten processing (company-level)
Period
Undated policy
Level
Company
Country
Germany
Score
Withheld
Band
Unrated
Coverage
67%
Confidence
Limited
Dataset source date
Undated
Research review date
2026-09-03

Undated company policy page; a downstream issuer list separately names H.C. Starck Tungsten GmbH.

The policy page is undated, so no disclosure band is assigned. The current downstream-list indicator is not proof of a direct relationship, shipment or companywide certification.

Named companies have not endorsed or participated in this research.

Release 11 records source and review dates once per profile, shown above. Method 0.5 will record them for each criterion.

Six criteria and their evidence

  1. Sourcing policy

    ✓ Supported

    Public responsible-sourcing commitments are described.

    Page / section:
    Conflict-free raw materials

  2. Accountable oversight

    ◐ Partial

    A management system is referenced; responsibilities are not detailed.

    Page / section:
    Responsible Supply Chain Management

  3. Upstream transparency

    ◐ Partial

    Origin checks are asserted; chain records were not inspected.

    Page / section:
    Origin of raw materials

  4. Assessment evidence

    ◐ Partial

    Company assertions are visible, but a dated assessment period was not established.

    Page / section:
    Certifications and initiatives

  5. Risk response

    ? Unknown

    Risk-response detail was not established in this review.

    Source:
    No source recorded
    Page / section:
    Not recorded

  6. Reporting & limitations

    ? Unknown

    A dated reporting period was not established in this review.

    Source:
    No source recorded
    Page / section:
    Not recorded

Issuer-reported metrics

  • Downstream list status

    Compliant

    Status as reproduced in Vishay's supplier-reported list; not proof of direct sourcing or all group operations.

    ir.vishay.com ↗ · Facility list dated May 28, 2026 — H.C. Starck Tungsten GmbH, CID002541 · As of 2026-05-28

Upstream relationships

H.C. Starck Tungsten GmbH — Germany

Reported possible upstream · 2026-04-09

The reporting company identifies this facility as a possible source somewhere in its supplier-reported network. This does not establish a direct supplier, exact tier, shipment or product link.

cisco.com ↗ · PDF p.8; facility name

Reporting profile · Upstream profile

H.C. Starck Tungsten GmbH — Germany

Reported possible upstream · 2026-05-28

The reporting company identifies this facility as a possible source somewhere in its supplier-reported network. This does not establish a direct supplier, exact tier, shipment or product link.

ir.vishay.com ↗ · Facility list dated May 28, 2026 — H.C. Starck Tungsten GmbH, CID002541

Reporting profile · Upstream profile

A “reported possible upstream” relationship is not a “confirmed direct” relationship.

Report a correction

CMMS-BS assesses what public sourcing disclosures establish. It is not a certification, an audit or legal advice.