TOWA → ASE Technology
Yes, wafergraph tracks TOWA as a supplier of ASE Technology, as of 2026-10-09. ASE Technology sources from 20 tracked suppliers in this dataset; TOWA is positioned as a leader in Equipment (Back End), so this edge is harder to replace than a challenger or niche supplier.
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
TOWA (leader in Equipment (Back End)) is a tracked supplier of ASE Technology (leader in OSAT). Leader in semiconductor molding/encapsulation equipment. World's largest OSAT, includes SPIL; key advanced packaging partner. The edge is one of 20 tracked suppliers of ASE Technology and one of 13 tracked customers of TOWA.
Source: derived from both company records and the counted edges.
Concentration / risk note
TOWA is positioned as a leader in Equipment (Back End), so this edge is harder to replace than a challenger or niche supplier.
Basis: supplier position. Omitted on edges where the graph does not back a concentration claim.
The two companies
TOWA (supplier)
Leader in semiconductor molding/encapsulation equipment.
ASE Technology (customer)
World's largest OSAT, includes SPIL; key advanced packaging partner.
Other tracked suppliers of ASE Technology
Other tracked customers of TOWA
Frequently asked questions3
- Is TOWA a supplier of ASE Technology?
- Yes. wafergraph records TOWA 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 TOWA have?
- The dataset records 13 tracked customers for TOWA.
Cite as: wafergraph, “TOWA → ASE Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/towa/ase/ (data as of 2026-10-09).
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