Shenzhen Hua Source Technology . LED itsown powerful R&D and producting capacity, we are prefessionalmanufactuing company of Minus-Ion Air purification apparatus andhigh power led commerical lighting covering LED Downlight, LED Girdlamp, LED Buld, LED Tube Light, LED Shading lamp, LED Flood light,LED wall washer, LED Lighting save up to 90% eneygy and operateover 50000hours. we are promise making these product have a nicequality and a low price.