上海道路划线
上海远庆交通设施工程有限公司是主要承揽上海道路划线、减速带安装施工、松江小区车位划线、地下停车库设施等市政道路、社区、楼宇、企事业单位等交通设施工程的设计、施工及维护的专业化公司。

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