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Guanke Tech Co.,Ltd established in 2006, located in Shenzhen, China with 21,000 square meter factory plant, around 500 employees, is a national level high-tech enterprise with 85 led lamps patents. The company has powerful Led corn lamp development team and advanced detecting instruments, and is one of the most professional manufacturers of Led corn Lamp HID/MHL retrofit in China. The Led corn lights products are widely used for roadway lighting , warehouse, parking lot, post top, wall pack, area lighting and so on. Our Led corn Lamps mainly exported to North America, Europe and all have been passed the certification of CE, TUV, PSE, FCC, UL, DLC and ROHS.