About Us

What SUMCO?

Silicon United Manufacturing COrporation sumco is a group creating value with diverse technologies and culture. sumco is a company creatide by merging the silicon wafer operations of Sumitomo and Mitsubishi. sumco is a dedicated silicon wafer manufacturer with a global market share of approximately 30%,and an overseas sales ratio of about 80%.Silicon United Manufacturing COrporation sumco is a group creating value with diverse technologies and culture. sumco is a company creatide by merging the silicon wafer operations of Sumitomo and Mitsubishi. sumco is a dedicated silicon wafer manufacturer with a global market share of approximately 30%,and an overseas sales ratio of about 80%.

Major awards in 2020

Winning high customer acclaim

Excellent Supplier Award for the seventh straight year and ninth times overall

TSMC2020 Excellent Performance Award

Excellent Supplier Award for the seventh straight year and ninth times overall

TSMC2020 Excellent Performance Award

At the 20th Supply Chain Management Forum of TSMC, SUMCO was one of only 15 companies to receive the Excellent Performance Award, of the more than 700 major TSMC suppliers.

Awarded for the 20th straight year and 22nd time overall

Intel2020 Preferred Quality Supplier Award

Awarded for the 20th straight year and 22nd time overall

Intel2020 Preferred Quality Supplier Award