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Adamant Co., Ltd.

Since Adamant's founding in 1957, we have contributed to all of our stakeholders and met customer's demands in a variety of fields with our unique high precision technology.

16-7, Shinden 1-chome, Adachi-ku, Tokyo, 123-8595, Japan

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Our Company

For more than half a century, with support from our customers, we have been contributing towards paradigm shift in our lifestyle. All as a consequence of our core expertise in cutting, grinding and polishing.

These technologies will undoubtedly remain as a solid part of Adamant's future. In addition, we will carry on the craftmanship and spirit of our forerunners to continuously improve our technologies to meet evolving needs.

To celebrate our glorious 60th anniversary we will challenge ourselves as 'Team Adamant' to endeavour to open up new frontiers under the philosophy 'Connecting Values'.


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  • Location:

    Other: 16-7, Shinden 1-chome, Adachi-ku, Tokyo, 123-8595, Japan