By adopting RFG method that can receive a single side form by Namiki, we implement our production from Sapphire cultivating to cutting and grinding. As Namiki has fundamental technology for precise processing technology of diamond, diamond record needle, developing and manufacturing bearing products for industrial jewelry, and with more application, are used in many forms. Other than Sapphire, we are really proud of processing for hard materials such as ruby, ceramic, cemented carbide.

Based on long processing technology, it is used for LED and LD production and many window panels.