Sumita Optical Glass, Inc.

Japan is a world eminent optical goods production country. Optical glass is the main parts. We, SUMITA have been dealing with　light and the world of the optical glass since the foundation of 1953 as a few expert companies in this field. When it was necessary and natural to import glass material from foreign country, we promoted the domestic production of the glass material and we have been striving for an establishment of precision molding technology to achieve high optical function.