Locations and Access Head Office Group Company Head Office Higashi-Shinkoiwa 8-27-18, Katsushika-Ku, Tokyo, 124-0023, Japan Phone: 81-3-3697-8426 (Main) Akita Factory Yamamichibata-100 Jumonjimachi Udegoshi Yokote, Akita 019-0501 Phone: 81-182-42-1486 Fax: 81-182-42-2189 Group Company DOND GUAN UNIQUE OPTICAL CO.,LTD