MEMC Korea Company
A GlobalWafers Company

(Cheonan Plant)
854, Manghyang-Ro, Seonggeo-eup, Sebuk-gu, Cheonan-Si,
Chungcheongnam-do, 331-831 Korea
Tel: +82 41 550 4114
Fax: +82 41 550 4498/4499

The rapidly expanding Korean semiconductor market is served by SunEdison Semiconductor's plant in South Korea.  This facility also serves as the world headquarters for MKC. 


Cheonan, South Korea


Polished and Epitaxial Wafers

Quality/Safety Certifications

Quality Certifications; Safety Certifications


In 1990, SunEdison Semiconductor entered into a joint venture agreement to construct a silicon plant in Korea. The plant came on-line in 1993.  In 2014, SunEdison Semiconductor purchased Samsung's interest in the plant, and now it is wholly-owned by SunEdison Semiconductor.