... production efficiency 3,Easy operation 4,Light weight and protable Technical Parameters: ModelLH-25AInput voltageThree-phase 380vOutput power25kwWorking ... and table ware, art ware, standard part, fastener, fabricated mechanical part, bronze lock, rivet, steel pin and pin.Hot ... tool and solid center bit.Welding of various hardware mechanical gadgets, silver soldering and brazing of metals of the ...