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      3. 




      




      




      













      

      


      

      

      Rail transit industry
      






      


      

      Ship and marine engineering 
      

        

      • GW series
        • 

      • GV twin-engine parallel operation series
        • 

      • GC series
        • 

      • GA/GQ series
        • 

      • Marine engineering
        • 

      

      


      

      Wind power
      

        

      • Step-up box
        • 

      • Yaw gearbox
        • 

      • Paddle gearbox
        • 

      

      


      

      Energy equipment
      

        

      • Nuclear power
        • 

      • Light and thermal power generation
        • 

      • Roller mill
        • 

      • Crusher
        • 

      

      


      

      Building material
      

        

      • Vertical mill
        • 

      • Roller squeezer
        • 

      • Cement mill
        • 

      • Cement kiln
        • 

      

      


      

      Metallurgy 
      

        

      • Hot-rolled gearbox
        • 

      • Cold-rolled gearbox
        • 

      • Rod-Wire gearbox
        • 

      

      


      

      Hydraulic engineering
      

        

      • Climbing lifter
        • 

      • Ship lifter
        • 

      

      


      

      Rail transit
      

        

      • Turnout
        • 

      • Tramcar
        • 

      • Monorail
        • 

      • Subway
        • 

      

      


      

      Coupling
      

        

      • Coupling
        • 

      • Shock absorber
        • 

      

      


      

      Engineering equipment
      

        

      • Shied machine
        • 

      • Shale gas
        • 

      • Coal mine machinery
        • 

      

      


      

      







      

      

      Turnout
       

      



 
      

       

       
       

      Its drive device provides power for the switch of the turnout system to ensure that the turnout beam switches according to the prescribed line shape, so that the turnout in the straight line and the line under the switch state meets the operating requirements.