Dongguan Superbright GZG lighting Technology Energy-saving Co,.LTD, Founded in 2004, named Dongguan KangHua mechanical and electrical equipment Co., LTD. Engaged in mechanical and electrical equipment and the R&D of the lighting products. Dongguan Kanrui energy-saving technology Co.,LTD. Was established in 2006. Dongguan Linrui energy-saving technology Co.,LTD. Established in 2007,, Our electronic ballast was approved by Chinese center government purchase NET. 2008?Our products ...