Op-tecs Industry Co., Ltd.
<Main Plant / Headquarters>
3300-15 Obanazawa Oaza Obanazawa-shi, Yamagata
TEL 0237-23-3241 / FAX 0237-23-3418
<Tokyo Office>
5-4-1-703 Shinjuku Shunjuku-ku, Tokyo
TEL 03-5367-2885 / FAX 03-5367-2886
<Saitama Office>
2-3-2-710 Kamiochiai Chuo-ku, Saitama-city, Saitama
<Yamagata Design Office>
7-27-2F muikamachi Yamagata-shi, Yamagata
TEL 023-665-0411/FAX 023-665-0412
