Producing and exporting electrical machines, such as frequency inverters, ac drives, variable frequency drives, adjustable speed drives, servo motors, servo drives, motor soft starters, EMI filters.<br/><br/>Our frequency inverters (ac drives, variable frequency drives, adjustable speed drives, VVVF drives, variable speed drives) are from low voltage, medium voltage from high voltage, including vector control, V/F control, pulse width modulation (PWM), widely used for energy saving and better process control.