ZHEJIANG DAYANG VENTILATOR CO ;LTD,formerly know as WENLING DAYANG ELECTRIC;LTD，was founded in 1998.DAYANG is an outstanding domestic high-tech company specialized development ,productiong ,manufactring and sales of motors and fans .Widely used in rofrigeration ,indus-trial cooling ,heatpimp air conditionging ,freshe air purification,drying ventilationg and other fields.