"Challenge to Change"
In the time change required, we return to what customers want now and continue challenging it.

Introduction:
Since 1932 of our foundation we have been walking step by step with customers to make use of unrivaled hardness of diamond for industrial use.
Through a tool I cut it, sharpen it, polish it, and to empty a hole into, we will offer solution more than the expectation of in future.

Our product:
We supply various kinds of Diamond/CBN tools and also technical know-how for grinding, cutting and polishing.
Based on our own experience, we can supply our technical know-how on resin forming, powder metallurgy, EDN processing, electro plating, cutting and grinding.

Main Diamond/CBN tools:
- Diamond/CBN Product
(metal bond/resin bond/vitrified bond/electro plated wheel)
- PCD/PCBN (sintered) Product
(grinding tool, wear resistance parts, dresser)
- Natural Diamond Product
(cutting tool, dresser, indenter)
- Lapping, Polishing Product
(Diamond paste, slurry)

Domestic & Export:
We have domestic sales offices at Sendai, Kanto, Tokyo, Nagoya, Osaka and Kyushu.
And we have overseas sales branches in Singapore and Thailand.

Our commitment (Policy):
Since 1932, when our company was founded, we have been making continuous efforts to improve our products, diamond tools, desiring that the incomparable hardness of diamonds plays a very important role in many industrial fields, and produces various useful industrial goods for human life.

And by the efforts, we won many customers' favor with confidence to our products, throughout the company history of 80 years.

Our manufacturing technologies of diamond tools which process various works "more precisely", "more accurately" and "more speedily", are keeping us in the top class position in the fields of cutting, grinding, polishing and drilling through our company history.

Now, "as a useful tool room of the world", we are going to supply our customers consulting services for the total solutions which not only fulfill and visualize their needs, but also take the influences to the environment into account, in order to do our mission and duty for the society, the world and the human beings, exceeding the position of a private company of a country, Japan.

Authenticated and Audited.