Sumitomo Metal Mining → ASE Technology

Yes, wafergraph tracks Sumitomo Metal Mining as a supplier of ASE Technology, as of 2026-10-09. ASE Technology sources from 20 tracked suppliers in this dataset.

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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

Sumitomo Metal Mining (major in Materials) is a tracked supplier of ASE Technology (leader in OSAT). Materials maker supplying bonding wire, plating, and target metals. World's largest OSAT, includes SPIL; key advanced packaging partner. The edge is one of 20 tracked suppliers of ASE 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.

ASE Technology (customer)

World's largest OSAT, includes SPIL; key advanced packaging partner.

Other tracked suppliers of ASE Technology

Other tracked customers of Sumitomo Metal Mining

Frequently asked questions3
Is Sumitomo Metal Mining a supplier of ASE Technology?
Yes. wafergraph records Sumitomo Metal Mining as a tracked supplier of ASE Technology (as of 2026-10-09).
How many suppliers does ASE Technology have?
The dataset records 20 tracked suppliers for ASE Technology.
How many customers does Sumitomo Metal Mining have?
The dataset records 9 tracked customers for Sumitomo Metal Mining.

Cite as: wafergraph, “Sumitomo Metal Mining → ASE Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/sumitomo_metal_mining/ase/ (data as of 2026-10-09).

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