Notice of Corporate Name Change - 

Adamant Namiki Precision Jewel Co., Ltd. will change its name on Jan. 1, 2023.

A special website is available.

Adamant Namiki's Response towards Coronavirus Disease (COVID-19)

June 10, 2022 revised

We wish to extend our heartfelt condolences to everyone affected by the novel coronavirus.

Adamant Namiki has been monitoring the outbreak and has implemented the following policies in order to prevent the spread of infection and prioritize the health and safety of our customers, business partners, and employees:


  • Cancellation/postponement of any overseas business trips
  • Reducing trips out as much as possible
  • Utilizing video and teleconferences

As a general rule, we will be limiting customer and business partner visits to our Adamant Namiki offices. Any urgent or necessary visits will be held in a designated area.

At this time, we will need to decline visits from any persons who:


  • have a fever over 37.5°C
  • have had close contact with anyone who has tested positive for COVID-19
  • All visitors, including the returnee from abroad shall conform to a guideline of the Japanese government.

Please note, we may revise our above policies as the situation evolves.

We appreciate your support and understanding.