Osaka Seimitsu Kikai Co., Ltd., established in 1951, is a leading manufacturer of gear testers, used widely in automotive, plastic injection moulding and gear manufacturing industries. Its range includes:
- Gear Rolling Testers (GTR-4LS, -25, -30, -40 and -60)
- CNC Automatic Gear Measuring Machines (CLP-15S, -35, -35S, -35DDS and -65)
- Hypoid Gear Measuring Machines (HyB-35 and -65)
- Profile/Lead Measuring Machines (GC-3H)
- Pitch / Roundout Measuring Machines (UG-2D, UB-2)
- Automatic Gear Selecting Machines (AGY and AGM)