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Technical history of human beings has continuously seeked for harder material, starting from stone, bronze to iron. Various type of materials, such as cemented carbide, ceramics are being developted in the trend of this new material revolution. But the "Diamond" is still the harest substance on Earth. We, Sankyo Diamond Industrial Co., Ltd." is a comprehensive manufaturing and sales company that transforms the hard nature of diamond into diamond tool which can "Cut, Grind and Polish" any hard material by state of the art powder metallurgy technology. Our products are used in various fields not only in Japan but all over the world. Particular in dry cut field, we have gained overwhelming trust as Sankyo Diamond of "SD Cutter". We will maintain with our continuous reseach and tireless effort, in this time of technological innovation and material revolution are making rapid progress.