Sumitomo Metal Mining → Amkor Technology
As of 2026-09-05, Sumitomo Metal Mining is a tracked supplier of Amkor Technology. Sumitomo Metal Mining is a major in Materials (headquartered in Japan); Amkor Technology is a major in OSAT (headquartered in United States). Sumitomo Metal Mining has 9 tracked customers; Amkor Technology has 16 tracked suppliers.
Data as of 2026-09-05 · 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
Sumitomo Metal Mining (major in Materials) is a tracked supplier of Amkor Technology (major in OSAT). Materials maker supplying bonding wire, plating, and target metals. Second-largest OSAT; building advanced packaging capacity in Arizona. The edge is one of 16 tracked suppliers of Amkor Technology and one of 9 tracked customers of Sumitomo Metal Mining.
Source: derived from both company records and the counted edges.
The two companies
Sumitomo Metal Mining (supplier)
Materials maker supplying bonding wire, plating, and target metals.
Amkor Technology (customer)
Second-largest OSAT; building advanced packaging capacity in Arizona.
Other tracked suppliers of Amkor Technology
Other tracked customers of Sumitomo Metal Mining
Cite as: wafergraph, “Sumitomo Metal Mining → Amkor Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/sumitomo_metal_mining/amkor/ (data as of 2026-09-05).
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