1. ZBF24QS two-position four-way self-retaining ball valve
 
2. High pressure 2-position 3-way ball valve KHB3K (BK3)
 
3. JQK2 Integrated Brake

4. Speed signal device of ZKZ-4 unit

5. SZF bi-directional water supply rotary valve

6. B302-2 automatic air supply

7. QZB ball valve type automatic air supply device

8. 3KH-V automatic air supply device

9. DPW-DYW Solenoid Pressure Distribution Valve

10. DCF23 Solenoid Air Valve TAG：