Koyo produces various grinding machines, assemblies, spindles, precision ball screws, handle and universal joints, and drive shafts for industry. Additionally, Koyo performs applied engineering research and production engineering research.

• Disc-Schleifmaschinen
• Gesicht Schleifmaschinen
• Innenrundschleifmaschinen
• Planetary Schleifmaschinen
• Rotary Flachschleifmaschinen
• Rundschleifmaschinen Inklusive Plain & Winkelkopf
• Scheiben, Würfel & Wafering Schleifmaschinen
• Spitzenlose Rundschleifmaschinen
• Universal-Rundschleifmaschinen