1.  We are specialized in the production of flat cars of our own brands, including 5-300 ton KPD, KPDS, KPDZ, KPC, KPJ, KPX & KPT series electric flat cars; turn electric flat cars; rotating table electric flat cars; manual flatbeds; mine transporters; track installation equipment; crane trolleys; trolley and crane accessories and other more than a dozen products.
2. KPD series motorized transfer trolley is powered by the 36V single-phase low voltage rail, which through sliding  wire to complete. Ground step-down transformer control cabinet will be single phase  AC 380V step-down to single-phase  36V, sent to the flat car by the rail sliding wire, and then step-up single-phase AC 380V by step-up transformers on the car, provide electricity for the single-phase capacitor motors which used in the car.