About Us

Affiliated Companies in Japan・Overseas

Japan

Japan

Tosoh Corporation別タブアイコン
Advanced Materials Division, Electronic Materials, Quartz Shiba Koen First Bldg., 3-8-2 Shiba, Minato-ku, Tokyo 105-8623, Japan
TEL: +81-3-5427-5121 FAX: +81-3-5427-5200
Tosoh Quartz Corporation 別タブアイコン Wholly owned subsidiary of Tosoh Corporation
Tokyo Head Office

2-11-8, Shiba Daimon Minato-ku, Tokyo (Sumitomo Fudosan Shibadaimon 2-Chome Bldg. 5F), 105-0012, Japan
TEL: +81-3-6453-0401(front desk) FAX: +81-3-6453-0180
Yamagata Head Office / Yamagata Factory
3-1435 Tachiyagawa, Yamagata-shi, Yamagata 990-2251, Japan
TEL: +81-23-686-2751 (front desk) FAX: +81-23-685-1003
Sakata Factory
1-4-85 Ohama, Sakata-shi, Yamagata 998-0064, Japan
TEL: +81-234-33-1011 (front desk) FAX: +81-234-33-1013
Yonezawa Factory
1-1-20 Hachimanpara, Yonezawa-shi, Yamagata 992-1128, Japan
TEL: +81-238-28-5001 (front desk) FAX: +81-238-28-1037
Tohoku Sales Office
3F East Japan Bldg., 44 Mizusawa Nakamachi, Oshu-shi, Iwate 023-0813, Japan
TEL: +81-197-34-0350 (front desk) FAX: +81-197-34-0351
Hokuriku Sales Office
6F Toyama No. 2 Denki Bldg., 5-3 Shinsakuramachi, Toyama-shi, Toyama 930-0005, Japan
TEL: +81-76-471-7259 (front desk) FAX: +81-76-471-7260

Overseas

Affiliated Companies Overseas

Tosoh USA, Inc. (CA Sales Office)
Wholly owned subsidiary of Tosoh Corporation
Location: San Francisco
6000 Shoreline Court Ste 101 South, San Francisco,
CA 94080 USA
TEL: Toll Free +1-888-799-0025
FAX: +1-650-210-4362





Tosoh Quartz Korea Co., Ltd.
Wholly owned subsidiary of Tosoh Quartz Corporation
Location: Head Office / Factory
86, Gwahaksaneop-4ro, Ochang-eup, Cheongwon-gu
Cheongju-si, Chungcheongbuk-do, South Korea
TEL: +82-43-710-1000
FAX: +82-43-710-1050
Location: Seoul Sales Office
Room No.1112-5, Yeoksam Heights Bldg.,
151 Teheran-ro, Gangnam-gu, Seoul, South Korea
TEL: +82-2-539-3881
FAX: +82-2-539-3882
Tosoh Quartz Inc.
Wholly owned subsidiary of Tosoh America
Location: Portland
14380 NW Science Park Drive, Portland, Oregon 97229, USA
TEL: +1-503-605-5600
FAX: +1-503-605-5656
Location: Durham
Unit 2 Greencroft Industrial Park, Stanley, County Durham,
DH9 7YB, UK
TEL: +44-1207-524400
FAX: +44-1207-524409
Tosoh Quartz Co., Ltd. 別タブアイコン
Wholly owned subsidiary of Tosoh Quartz Corporation
Location: Headquarters / Tainan Factory
No. 92, Da-Soong, 7th Road, Tainan-Science-Based
Industrial Park, Hsin-She Shing, Tainan, Taiwan, R.O.C.
TEL: +886-6-505-0860
FAX: +886-6-505-0704
Location: Hsinchu Sales Office
7F.-1, No.118, Ciyun Rd. East Dist., Hsinchu City 30072
Taiwan (R.O.C.)
TEL: +886-3-577-1234
FAX: +886-3-578-2456