Shin-Etsu Chemical. 

Shin-Etsu Chemical Co., Ltd. engages in the manufacture and sale of industrial chemicals. Its operations are carried out through the following segments: Living Environment Basic Materials Business, Electronic Materials Business, Functional Materials Business, and Processing, Trading and Technical Services Business. The Living Environment Basic Materials Business segment engages in the manufacture and sale of polyvinyl chloride resin, caustic soda, etc. The Electronic Materials Business segment involves in the manufacture and sale of semiconductor silicon, rare earth magnets, photoresists, mask blanks, and synthetic quartz products. The Functional Materials Business segment engages in the manufacture and sale of silicones, cellulose derivatives, and silicon metal. The Processing, Trading and Technical Services Business segment provides various services including Shin-Etsu Polymer Group businesses and engineering. The company was founded on September 16, 1926 and is headquartered in Tokyo, Japan.