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SuzhouDowellVentilationTechnologyCo.,Ltdhavebeenfocusingontheresearchanddevelopment,testing,productionandsalesofhigh-efficiencyandenergy-savingproducts.Underthemarketbackgroundoftheworld'senergyrevolution,theuseofECmotorswillsolvetheriskofburningthemotorandtheinverterwhenthemotorisrunningatlowspeed,andsolvethedilemmathattheinvertercannotrunthemotorbelow30Hz.ECmotorsupportsexternalcontrollogicinput,whichcanrealizeintelligentcontrol,remotecontrol,runningdataoutput,etc.