GRANOPT to Triple Faraday Rotator Production Capacity by Fiscal 2027

June 22, 2026
Sumitomo Metal Mining Co., Ltd.

Sumitomo Metal Mining Co., Ltd. (TSE: 5713) and Mitsubishi Gas Chemical Company, Inc. (TSE: 4182) are pleased to announce that GRANOPT Co., Ltd., their joint venture, has decided to triple its production capacity for Faraday rotators by the fiscal year ending March 31, 2028 (FY2027) compared with FY2025.

Please check the below PDF file for details.