60 years of history, achievements, and trust.
Our company began importing and selling industrial diamonds from the UK in 1953, and now also imports from Belgium and the United States, making significant contributions to the development of key sectors in Japanese industry, such as the automotive industry, semiconductor-related industries, and ultra-precision component processing. Since diamonds are natural, each one has different characteristics and features, making experience a crucial factor. Leveraging our 60 years of history, achievements, and credibility, we operate on a consignment system for imports, relying solely on our reputation.
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basic information
We directly import and sell natural raw stones for diamond tools from Belgium, the United States, and other countries. As examples of the raw stones we handle, we offer: - Raw stones for dies - Raw stones for bits - Raw stones for various dressers - Raw stones for various bits - Other natural raw stones We have various sizes available, so please feel free to contact us.
Price range
Delivery Time
※Delivery times may vary depending on quantity and quality, so please feel free to contact us.
Applications/Examples of results
Grinding processing of aircraft and automobile engines and various parts, dressing (reconditioning) of various grinding wheels, bearing processing, excavation in tunnels and mines, cutting of contact lenses, processing of smartphone cases, etc.
Company information
Mutual's strengths: "Four Functions." The "Engineering Function" integrates the entire production equipment, including not only the production line but also utilities, from the planning of the basic concept to design, installation, trial operation, adjustment, and validation. In addition, there is the "Manufacturing Function," which involves customizing imported machines and developing original machines such as the PTP packaging machine PRESTA. The "Trading Function" acts as a technical trading company that gathers information on excellent equipment from around the world and facilitates their introduction. Finally, the "Maintenance Function" addresses not only troubles but also preventive maintenance, regular inspections, and corrective work. This comprehensive capability is Mutual's strength. By leveraging these four functions, we contribute to solving all challenges in our customers' product production.


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