TPR-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-15SF, -35SF, -65SF, -85F, -120F, -35DDSF, -45DDSF and -85DDSF)
- Automatic Gear Selecting Machines (AGY, AGM and AGW)