Four Column Hydraulic Press
- YSK-100CL
- YSK-1000A four-column hydraulic press
- Four-column hydraulic press (small size 10-100T)
- YSK- 300C
- YSK-200C (pressed and molded by various types of electric heating tubes)
- YSK-1000BII (four-column hydraulic press with loading and unloading cylinder)
- YSK-200A
- YSK-40C
- YSK-150C
- YSK-1000C (exported to Indonesia)