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>
1202 12f senjyu-ichibankan tuho-do
3-6-12, Senju, Adachi Ku, Tokyo
TEL 03-5284-8146 / FAX 03-5284-8308
<Yamagata Design Office>
7-27-2F muikamachi Yamagata-shi, Yamagata
TEL 023-665-0411/FAX 023-665-0412