Group Companies

Showa Highpolymer Co., Ltd.
Nippon Polytech Corp.
Showa Tansan Co., Ltd.
Showa Titanium Co., Ltd.
Showa Denko Kenso Co., Ltd.
Tohoku Metal Chemical Co., Ltd.
Showa Aluminum Can Corp.
Showa Denko Aluminum Trading K.K.
Showa Denko Packaging Co.,Ltd.
Showa Engineering Co., Ltd.
Showa Denko Kenzai K.K.
Shoko Co., Ltd.
Fuyo Perlite Co., Ltd.
Union Showa K.K.

Group Companies