ShenZhen Guanke Tech Co.,Ltd established in 2006,is a national level high-tech enterprise integrating high-power LED lamp beads and LED application .The company has powerful development team and advanced detecting instruments , and is one of the most professional manufacturers of LED light sources and LED lighting in China . Our items including: 1.LED Street/Garden lights 12W-100W 2.LED plug tubes 4W-10W 3.LED ring lights 10W-22W 4.COB led downlights