山口精研工業 Company Overview

Our polishing agents continue to "polish" substrates such as electronic and optical components!

Since our establishment in 1985 as an abrasive manufacturer, we have continuously challenged ourselves to innovate in the field of mirror polishing abrasives, honing our technology and accumulating know-how. Our strength lies in our ability to share challenges and quickly and flexibly optimize products to meet the diverse quality requirements of our customers. Additionally, depending on the material to be polished, we utilize our knowledge of materials and formulation technology to design compositions, developing abrasives that achieve high productivity and the highest quality polished surfaces.