OPT Technologies Co., Ltd

Light Bldg 5F, 2-12-3, Ginza, Chuo-ku 104-0061, Tokyo, Japan

t. +81 (3) 354 750 34
f. +81 (3) 354 751 87

www.opt-techno.com
E-mail: info@opt-techno.com 

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Japan
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