About Opnus

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Opnus has a rich history, an abundance of experience and a high level of technical expertise built up over 75 years as a comprehensive lock-and-key manufacturer. Opnus launched its business by manufacturing the much-admired dial lock system, which was installed into many banks, including the Bank of Japan.



The Company has continuously worked to build up superior technological know-how. Opnus currently leverages these technologies across a wide variety of fields, such as offices, vending machines and housing. Moreover, in addition to key-and-lock systems, the Company also develops a wide range of products including hotel safes, delivery boxes and building entrance systems.

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Company Name : Opnus, Co., Ltd.
Established : 1948
Headquarters : 2-17-8 Nihombashihama-Cho, Chuo-Ku, Tokyo, 103-0007, JAPAN
Saitama Plant : 1940 Minano-Machi, Chichibu-gun, Saitama, 369-1412, JAPAN


Copyright © 2015 Opnus Co., Ltd. All Rights Reserved.