Miyagoshi Seito Ltd. in Kyoto manufactures and sells artificial grindstones by the vitrified manufacturing method.

news Observation of #1200 Aoi stone

July 3rd, 2020 We've observed our stones by SEM (Scannig Election Microscope) in Kyoto industry laboratory. This is a part of enhancing the accuracy. As you see, #1200 abrasive grains arranged regularly on melted bonding