Mitsuru Optical Laboratory has been highly evaluated in the fields of optical glass processing and LCD glass substrate processing, using the latest technology and equipment as weapons. We will continue to meet the needs of our customers and contribute to society by creating products that are friendly to the global environment. Mitsuru Optical Research Institute Co., Ltd.　Head Office Office 2-1-6 Tsuchihashi, Miyamae-ku, Kawasaki-shi, Kanagawa 216-0005 TEL 044-853-2818 FAX 044-854-8020　information@mitsuru-op.co.jp Flat panel related business TFT liquid crystal glass substrate, STN liquid crystal glass substrate, organic EL glass substrate, other FPD glass substrate cutting, chamfering, polishing, ITO film surface polishing, etc. Optical glass related business Projector glass, Mirror substrate for copying machine, glass substrate for PBS, pickup lens for DVD / CD Heat resistant glass, etc. Molding, grinding, polishing, etc. of glass for general optics We have obtained the certification of quality management system ISO9001: 2008. Office name: Hadano Nakai office and head office related organization Organization name: 1. Hadano Nakai office 2. Head office related organization (general affairs department, business management department, sales department) Scope: Manufacture and sale of glass substrates for TFT liquid crystal panels Applicable standard number: JIS Q 9001: 2008 (ISO 9001: 2008)