• Belt conveyor

    With high performance is adopted. Through vector control technology and DROOP control technology, Nancal Medium voltage AC drives can meet the operation requirements of long-distance belt conveyor, such as constant running torque, large starting torque and strong overload capacity.  

  • Mine ventilation

    Mine ventilation which plays a crucial role in safety is one of the most important equipment for making sure the safety in production of mine. The safety, reliability, stability and energy conservation of mine ventilation affect the safety and benefit of mine.