Changzhou Suma Precision Machinery Co., Ltd.
- Sprag Lift Off FXM backstop is widely used on Gearbox , Reducer
- NF is a high speed holdback backstopping device, its mechanical performance obvious superior to other types . Largely used on Belt Conveyor, Bucket Elevator, etc
- RSBW Primarily used as a backstop, provides a high torque capacity with a minimum space requirements. Mainly used on Grain Silo System, Conveyor Belt System.
- CKNZ Backstop Clutch is generally used on Conveyor System.
- FRHD type backstop is high rotation speed, high torque capacity. Usually used on Bucket Elevator, Conveyor System