SK Siltron

SK Siltron is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in Gumi. Its key suppliers include Wacker Chemie. Its key customers include Samsung Electronics, SK hynix, TSMC.

SK Group's wafer arm; key 300mm supplier to Korean memory fabs.

Headquarters
Gumi
Market position
major
Value-chain segment
Silicon Wafers
Key products
300mm wafers, SiC wafers

About SK Siltron

SK Siltron, headquartered in South Korea, operates in the Silicon Wafers segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include 300mm wafers, SiC wafers. wafergraph maps 1 tracked supplier and 7 tracked customers for SK Siltron across the value chain. It has a supply-chain criticality score of 68/100, with 236 companies downstream of it.

Role in the chain

SK Siltron is a market major in Materials (Silicon Wafers), headquartered in South Korea. SK Group's wafer arm; key 300mm supplier to Korean memory fabs.

Diligence questions

  1. The dataset records 1 tracked supplier for SK Siltron. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
  2. The dataset names 7 tracked customers for SK Siltron. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  3. SK Siltron is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  4. SK Siltron is private in this dataset (no ticker). What primary-source filings or audited statements exist, and what is still only a one-liner?
  5. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for SK Siltron

Key products

  • 300mm wafers
  • SiC wafers

Suppliers

Customers

More Materials companies

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “SK Siltron — supply chain, financials & market position”, https://wafergraph.com/company/sk_siltron (data as of 2026-09-05).

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly