Siltronic → United Microelectronics (UMC)
Yes, wafergraph tracks Siltronic as a supplier of United Microelectronics (UMC), as of 2026-10-09. United Microelectronics (UMC) sources from 24 tracked suppliers in this dataset.
Data as of 2026-10-09 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Siltronic (major in Materials) is a tracked supplier of United Microelectronics (UMC) (major in Foundry). Top-four silicon wafer producer headquartered in Munich. Taiwan's second foundry, strong in mature and specialty nodes. The edge is one of 24 tracked suppliers of United Microelectronics (UMC) and one of 8 tracked customers of Siltronic.
Source: derived from both company records and the counted edges.
The two companies
Siltronic (supplier)
Top-four silicon wafer producer headquartered in Munich.
United Microelectronics (UMC) (customer)
Taiwan's second foundry, strong in mature and specialty nodes.
Other tracked suppliers of United Microelectronics (UMC)
Other tracked customers of Siltronic
Frequently asked questions3
- Is Siltronic a supplier of United Microelectronics (UMC)?
- Yes. wafergraph records Siltronic as a tracked supplier of United Microelectronics (UMC) (as of 2026-10-09).
- How many suppliers does United Microelectronics (UMC) have?
- The dataset records 24 tracked suppliers for United Microelectronics (UMC).
- How many customers does Siltronic have?
- The dataset records 8 tracked customers for Siltronic.
Cite as: wafergraph, “Siltronic → United Microelectronics (UMC) — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/siltronic/umc/ (data as of 2026-10-09).
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