Brief introduction of DAYI, we engages in research and development, manufacturing and exporting a full range of LED Lighting products. especially in the LED area's bottleneck problems about the heat radiation and the driving circuit of high power LED lighting. Our lighting products can be the best mating products with Solar and Wind energy products, and we have eight national patents. All DAYI products have passed the ISO9001:2000 and CE Certification and we have the own Right of import and export. According to LED application, we recommend below preponderant products for your reference: Outdoor illumination series: LED street lamp, LED courtyard lamp, landscape lamp, LED wall Lamp, etc. Indoor illumination series: LED bulbs, LED ceiling lamp,LED daylight Lamp(flourescentlight),LED spot lamp,etc.