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SUMCO / Yonezawa / Yamagata / JP
Who SUMCO buys from and sells to, each relationship carrying the source that states it.
None recorded.
Buys Silicon wafers
For example, we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation) and Soitec.
UMC Form 20-F 2025 · United Microelectronics Corporation · read 2026-09-11
Buys Silicon wafers, including via Formosa Sumco Technology
For example, we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation) and Soitec.
Form 20-F, 2025 annual report · United Microelectronics Corporation · read 2026-09-11
Every company SUMCO deals with, and its own other sites, are on the SUMCO page.
7 other sites on this map.
Every change is appended, so an earlier value stays readable beside the one that replaced it.
4-3146-12 Hachimanpara, Yonezawa-shi, Yamagata 992-1128, Japan
In addition to cleanup activities along the major arterial roads in the industrial park as a member of the “Hachimanpara Corporate Council” made up of companies in the industrial park, SUMCO's Yonezawa Plant also participates in conservation and maintenance activities such as forest thinning and fertilization in Zusayama, Bansei-cho, Yonezawa City, which is located near the plant.
Building outlines © OpenStreetMap contributors, ODbL. Licence